参数资料
型号: ML674000
厂商: OKI ELECTRIC INDUSTRY CO LTD
元件分类: 微控制器/微处理器
英文描述: 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP128
封装: 14 X 14 MM, 0.40 MM PITCH, PLASTIC, TQFP-128
文件页数: 1/39页
文件大小: 247K
代理商: ML674000
OKI Semiconductor
PEDL674000-02
Issue Date: May. 17, 2002
ML674000
Preliminary
32-bit General-purpose Single-chip Microcontroller
1/39
GENERAL DESCRIPTION
This LSI incorporates PLAT
-7B, employing the CPU core ARM7TDMI, as the CPU platform and operates at
maximum 33 MHz. It contains built-in RAM and peripheral IOs such as Timer, WDT, GPIO, PWM, UART
(16550 compatible), AD converter, DMA controller and DRAM controller, etc. and can be used as a
microcontroller for configuring various systems.
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
Barrel shifter and multiplier (32bit x 8bit, Modified Booth’s Algorithm)
Little endian
Built-in debug function
Internal memory
RAM 8 KB (32-bit access)
External memory controller
ROM (FLASH): 16MBytes
SRAM: 16MBytes
DRAM: 16Mbytes (SDRAM and EDO-DRAM support)
External IO devices: 16Mbytes x 2 banks (with wait control by external
signal)
Programmable wait setting by each bank
Interrupt controller
23 sources: 18 internals and 5 externals (IRQ: 4, FIQ: 1)
DMA controller
2 channels: Dual address mode, cycle steal and burst tranfer mode
maximum transfer count: 65536
Timer
1 channel: 16-bit auto reload for operating system
6 channels: 16-bit auto reload for application
1 channels: 16 bit watchdog timer
Serial interface
1 channels: asynchronous, Xon/Xoff interface
1 channels: asynchronous with 16-byte FIFO
Parallel I/O port
2 channels x 16 bits (bitwise input/output settings)
PWM
2 channels x 16 bits
AD converter
8 channels x 10 bits
Power down mechanism
Standby 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 (ex. 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 (TQFP128-P-1414-0.40-K)
ARM, ARM7TDMI, Multi-ICE and AMBA are registered trademarks of ARM Ltd., UK.
PLAT is Oki's trademark.
The contents of this data sheet are subject to change for modification without notice.
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ML674001TC 32-BIT, MROM, 33.333 MHz, RISC MICROCONTROLLER, PQFP144
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