OVERVIEW

The HMS30C7202 is a highly integrated low power microprocessor for personal digital assistants, and other applications described below. The device incorporates an ARM720T CPU and system interface logic to interface with various types of devices. HMS30C7202 is a highly modular design based on the AMBA bus architecture between CPU and internal modules.

FEATURES

■ 32-bit ARM7TDMI RISC static CMOS CPU core

■ 8Kbytes combined instruction/data cache

■ Memory management unit for WindowsCE

■ Supports Little Endian operating system

■ 2Kbytes SRAM for internal buffer memory

■ On-chip peripherals with individual power-down:

- Multi-channel DMA

- 4 Timer Channels with Watch Dog Timer

- Intelligent Interrupt Controller

- Memory controller for ROM, Flash, SRAM, SDRAM

- Power management unit

- LCD Controller for mono/color STN and TFT LCD

- Real-time clock (32.768kHz oscillator)

- Infrared communications (SIR support)

- 4 UARTs (16C550 compatible)

- PS/2 External Keyboard / Mouse interface

- 2 Pulse-Width-Modulated (PWM) interface

- Matrix Keyboard control interface (8*8)

- GPIO

- MMC / SMC Card interface

- USB (slave)

- On-chip ADC and interface module (Battery Check, Audio In, Touch Panel)

- On-chip DAC and interface module (8 Bit Stereo Audio Output)

- PLL

■ JTAG debug interface and boundary scan

■ 0.20um Low Power CMOS Process

■ 1.8V internal / 3.3V IO supply voltage

■ 256-pin QFP / BGA package

■ 100MHz operation frequency

■ Low power consumption