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ML674000
The ML674K/ML675K family is a general-purpose 32-bit, RISC-based microcontrollers (MCUs) using the high-speed, low-power ARM7TDMI™ARM7TDMITM as a core CPU. The product lineup includes the ML674 family for low-end MCUs and the ML675K family with internal cache memory for middle-end MCUs. It is ideal as a general-purpose 32-bit embedded MCU for application to a wide range of products including PC peripherals, digital consumer electronics, and digital communication. The ML674K family is also suitable as an entry model when transitioning from 16-bit MCUs to de facto 32-bit MCUs for embedded applications. The ML674K/ML675K family of MCUs is based on OKI's original μPLAT® system LSI development integration platform. This makes it easy to incorporate peripheral IPs and enables custom MCU expansion to be suited for a variety of applications.
Examples of Application
DVD drives, communication equipment, game consoles, instrumentation and controllers, etc.
Features
- High cost performance
- High object efficiency using Thumb™ instructions
- Upward software compatible
- External memory controller :
ROM/FLASH, SRAM, I/O, SDRAM/EDO DRAM - Power consumption control function :
STANDBY/HALT mode, clock stop function in module units Clock gear
(1/1, 1/2, 1/4, 1/8, 1/16, 1/32 (1/32: ML675K Family only))
Major Specifications
| Function | General Purpose 32-bit Microcontroller MCU |
| Part Number | ML674000 |
| CPU Platform | µPLAT-7B |
| CPU Core | ARM7TDMI® |
| Clock | 1 to 33MHz (29MIPS) |
| Cache Memory | none |
| Internal ROM | ROM-less |
| Internal RAM | 8KB |
| External Memory Controller | ROM/Flash, SRAM, DRAM |
| 2 I/O banks | |
| DMA | 2 channels |
| Interrupt Controller | internal: 18, external: 5 |
| System Timer | 16-bit x 1 channel |
| Expanded Timer | 16-bit x 6 channels |
| PWM | 16-bit x 2 |
| WDT | 16-bit |
| Serial Interface | UART x 2 |
| GPIO | 32-bit |
| A/DC | 10-bit x 8 channels |
| Power Management | Standby (all clocks stopped) Halt (clock signal to CPU or other component stopped) |
| Clock gear (1/1, 1/2, 1/4, 1/8, 1/16) | |
| Power Supply | Core: 2.5V (10%), I/Os: 3.3V (10%) |
| Operating Current | Core: 25mA max., I/O: 30mA max (@16MHz) |
| Power-down Current | STANDBY: core 45µA max, I/O 5µA max. (Ta = 25°C) |
| HALT: core 15mA max, I/O 5mA max (@16MHz) | |
| Operating Temperature | -40 to +85°C |
| Packages | 128-TQFP (14 x 14mm), 144-LQFP (11 x 11mm) |
Block Diagram
