STM32F207VC价格

参考价格:¥33.7866

型号:STM32F207VCT6 品牌:STMicroelectronics 备注:这里有STM32F207VC多少钱,2025年最近7天走势,今日出价,今日竞价,STM32F207VC批发/采购报价,STM32F207VC行情走势销售排行榜,STM32F207VC报价。
型号 功能描述 生产厂家&企业 LOGO 操作
STM32F207VC

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

TheSTM32F20xfamilyisbasedonthehigh-performanceARMCortex-M332-bitRISCcoreoperatingatafrequencyofupto120MHz.Thefamilyincorporateshigh-speedembeddedmemories(Flashmemoryupto1Mbyte,upto128KbytesofsystemSRAM),upto4KbytesofbackupSRAM,andanextensiverange

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS
STM32F207VC

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM

文件:2.281 Mbytes Page:163 Pages

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS
STM32F207VC

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM

文件:3.52583 Mbytes Page:177 Pages

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS
STM32F207VC

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM

文件:3.52583 Mbytes Page:177 Pages

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS
STM32F207VC

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM

文件:2.84696 Mbytes Page:178 Pages

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

TheSTM32F20xfamilyisbasedonthehigh-performanceARMCortex-M332-bitRISCcoreoperatingatafrequencyofupto120MHz.Thefamilyincorporateshigh-speedembeddedmemories(Flashmemoryupto1Mbyte,upto128KbytesofsystemSRAM),upto4KbytesofbackupSRAM,andanextensiverange

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

STM32developmentboards

文件:3.4225 Mbytes Page:26 Pages

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

TheSTM32F20xfamilyisbasedonthehigh-performanceARMCortex-M332-bitRISCcoreoperatingatafrequencyofupto120MHz.Thefamilyincorporateshigh-speedembeddedmemories(Flashmemoryupto1Mbyte,upto128KbytesofsystemSRAM),upto4KbytesofbackupSRAM,andanextensiverange

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM®-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

Features •Core:ARM®32-bitCortex®-M3CPU(120MHz max)withAdaptivereal-timeaccelerator(ART Accelerator™)allowing0-waitstateexecution performancefromFlashmemory,MPU, 150DMIPS/1.25DMIPS/MHz(Dhrystone2.1) •Memories –Upto1MbyteofFlashmemory –512bytesofOTPmemory

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

文件:2.84696 Mbytes Page:178 Pages

etc2List of Unclassifed Manufacturers

etc未分类制造商etc2未分类制造商

etc2

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

文件:2.84696 Mbytes Page:178 Pages

etc2List of Unclassifed Manufacturers

etc未分类制造商etc2未分类制造商

etc2

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM,USBOTGHS/FS,Ethernet,17TIMs,3ADCs,15comm.interfaces&camera

文件:2.84696 Mbytes Page:178 Pages

etc2List of Unclassifed Manufacturers

etc未分类制造商etc2未分类制造商

etc2

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM

文件:2.281 Mbytes Page:163 Pages

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM

文件:3.52583 Mbytes Page:177 Pages

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

ARM-based32-bitMCU,150DMIPs,upto1MBFlash/1284KBRAM

文件:3.52583 Mbytes Page:177 Pages

STMICROELECTRONICSSTMicroelectronics

意法半导体意法半导体集团

STMICROELECTRONICS

STM32F207VC产品属性

  • 类型

    描述

  • 型号

    STM32F207VC

  • 功能描述

    ARM微控制器 - MCU 32BIT ARM Cortex M3 Connectivity 256kB

  • RoHS

  • 制造商

    STMicroelectronics

  • 核心

    ARM Cortex M4F

  • 处理器系列

    STM32F373xx

  • 数据总线宽度

    32 bit

  • 最大时钟频率

    72 MHz

  • 程序存储器大小

    256 KB 数据 RAM

  • 大小

    32 KB 片上

  • ADC

    Yes

  • 工作电源电压

    1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V

  • 工作温度范围

    - 40 C to + 85 C

  • 封装/箱体

    LQFP-48

  • 安装风格

    SMD/SMT

更新时间:2025-8-4 9:20:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
ST
24+
LQFP100
2721
新到无铅原装现货
ST/意法
18+
LQFP100
958
原装现货 价格优势
ST
23+
LQFP100
8800
只做原装正品现货
ST/意法
23+/24+
LQFP100
9865
原厂原包装。终端BOM表可配单。可开13%增值税发票
ST(意法)
24+
LQFP-100_14x14x05P
7078
原厂可订货,技术支持,直接渠道。可签保供合同
ST
23+
LQFP100
35000
ST单片机全系列在售,全球调货
ST
21+
QFP100
10000
勤思达只做原装 现货库存 支持支持实单
ST/意法
25+
LQFP-100
32360
ST/意法全新特价STM32F207VCT6即刻询购立享优惠#长期有货
ST/意法
20+
LQFP100
33000
原装正品,优势现货
ST/意法
21+
LQFP100
54000
支持实单,买原装认准恒佳微

STM32F207VC芯片相关品牌

  • AMPHENOLCS
  • Central
  • GENESIC
  • Intersil
  • IRCTT
  • KSS
  • Marktech
  • PROTEC
  • PTC
  • SOURCE
  • TAIYO-YUDEN
  • WEITRON

STM32F207VC数据表相关新闻

  • STM32F207IGT6

    原装代理

    2023-10-13
  • STM32F207VCT6 STM32F207VCT6TR LQFP100 微控制器MCU 电子元器件

    STM32F207VCT6STM32F207VCT6TRLQFP100微控制器MCU电子元器件

    2023-4-4
  • STM32F207IGT6

    ARMCortexM032bitARM微控制器-MCU,LQFP-100ARM微控制器-MCU,STM32L072KBARM微控制器-MCU,128kB+125CARM微控制器-MCU,STM32L452REARM微控制器-MCU,LQFP-128ARM微控制器-MCU

    2021-8-4
  • STM32F207IGT6

    256kBARMCortexM3120MHzARM微控制器-MCU,ARMCortexM7ARM微控制器-MCU,LQFP-208ARM微控制器-MCU,LQFP-64112MHzARM微控制器-MCU,HTQFP-6464kBARM微控制器-MCU,12位ARMCortexM0+ARM微控制器-MCU

    2020-9-24
  • STM32F207VCT6

    256kBARMCortexM3120MHzARM微控制器-MCU,ARMCortexM7ARM微控制器-MCU,LQFP-208ARM微控制器-MCU,LQFP-64112MHzARM微控制器-MCU,HTQFP-6464kBARM微控制器-MCU,12位ARMCortexM0+ARM微控制器-MCU

    2020-9-24
  • STM32F207VCT6品牌ST封装LQFP100

    STM32F207VCT6品牌ST封装LQFP100

    2019-10-30