STMicroelectronics L6743

GENERAL DESCRIPTION

Oki’s ML674000 standard microcontroller (MCU) is a member of an extensive and growing family of ARM® architecture 32-bit MCUs for general-purpose applications that require 32-bit CPU performance and low cost afforded by MCU integrated features.

FEATURES

• CPU
32-bit RISC CPU (ARM7TDMI)
32-bit instructions (ARM Instructions) and 16-bit instructions (Thumb Instructions) mixed
General purpose registers : 31 x 32 bits
Built-in Barrel shifter and multiplier (32 bit x 8 bit, Modified Booth’s Algorithm)
Little endian
Built-in debug function
• Internal memory
RAM 8KB (32-bit access)
• External memory controller
ROM (FLASH): 16 Mbytes
SRAM: 16 Mbytes
DRAM: 64 Mbytes (SDRAM and EDO-DRAM support)
External IO devices: 16 Mbytes x 2 banks (with wait control by external signal)
• Interrupt controller
24 sources: 19 internals and 5 externals (IRQ: 4, FIQ: 1)
• DMA controller
2 channels: Dual address mode, cycle steal and burst tranfer mode
• Timer
1 channel: 16-bit auto reload for operating system
6 channels: 16-bit auto reload for application
1 channel: 16 bit watchdog timer
• Serial interface
1 channel: UART
1 channel: UART with 16-byte FIFO
• Parallel I/O Port
2 ports x 16 bits (bitwise input/output settings)
• PWM
2 channels x 16 bits
• Analog-to-Digital Converter
8 channels x 10 bits
• Power down mechanism
Standby (all clock stop) and Halt (clock stop by each function block)
Clock gear (selectable 1/1, 1/2, 1/4, 1/8, 1/16 input clock frequency)
• JTAG interface
Connectable to JTAG ICE (e.g. ARM MutiICE)
• Power supply voltage
Core section: 2.25 V to 2.75 V
IO section: 3.0 V to 3.6 V
• Operating frequency
33 MHz (Max.)
• Operating temperature (ambient temperature)
–40°C to +85°C
• Package
128-pin plastic TQFP (P-TQFP128-1414-0.40-K)
144-pin plastic LFBGA (P-LFBGA144-1111-0.80)