FEATURES

ANALOG FEATURES

24 Bits No Missing Codes

22 Bits Effective Resolution at 10Hz

− Low Noise: 75nV

PGA From 1 to 128

Precision On-Chip Voltage Reference

− Accuracy: 0.2%

− Drift: 5ppm/°C

Differential/Single-Ended Channels

On-Chip Offset/Gain Calibration

Offset Drift: 0.1ppm/°C

Gain Drift: 0.5ppm/°C

On-Chip Temperature Sensor

Selectable Buffer Input

Burnout Detect

16-Bit Monotonic Voltage DACS:

− Quad Voltage DACs (MSC1211, MSC1212)

− Dual Voltage DACs (MSC1213, MSC1214)

DIGITAL FEATURES

Microcontroller Core

8051-Compatible

High-Speed Core

− 4 Clocks per Instruction Cycle

DC to 40MHz at +85
C

Single Instruction 100ns

Dual Data Pointer

Memory

Up To 32kB Flash Memory

Flash Memory Partitioning

Endurance 1M Erase/Write Cycles,

100-Year Data Retention

In-System Serially Programmable

External Program/Data Memory (64kB)

1,280 Bytes Data SRAM

Flash Memory Security

2kB Boot ROM

Programmable Wait State Control

Peripheral Features

34 I/O Pins

Additional 32-Bit Accumulator

Three 16-Bit Timer/Counters

System Timers

Programmable Watchdog Timer

Full-Duplex Dual USARTs

Master/Slave SPI with DMA

Multi-master I2C (MSC1211 and MSC1213)

16-Bit PWM

Power Management Control

Internal Clock Divider

Idle Mode Current < 200μA

Stop Mode Current < 100nA

Programmable Brownout Reset

Programmable Low-Voltage Detect

24 Interrupt Sources

Two Hardware Breakpoints

GENERAL FEATURES

Pin-Compatible with MSC1210

Package: TQFP-64

Low Power: 4mW

Industrial Temperature Range:

−40°C to +125°C

Power Supply: 2.7V to 5.25V

APPLICATIONS

Industrial Process Control

Instrumentation

Liquid/Gas Chromatography

Blood Analysis

Smart Transmitters

Portable Instruments

Weigh Scales

Pressure Transducers

Intelligent Sensors

Portable Applications

DAS Systems