24
Chapter 1
Introduction
Preliminary User’s Manual U15839EE1V0UM00
1.2 Device
Features
•
CPU
- Core:
V850E1
- Number of instructions:
81
- Min. instruction execution time:
31.25 ns (@
φ
= 32 MHz)
- General registers:
32 bits
×
32
•
Instruction set:
- V850E (compatible with V850 plus additional powerful instructions for reducing code and increas-
ing execution speed)
- Signed multiplication
(16 bits x 16 bits
→
32 bits or 32 bits x 32 bits
→
64 bits): 1 to 2 clocks
- Saturated operation instructions (with overflow/underflow detection function)
- 32-bit shift instructions: 1 clock
- Bit manipulation instructions
- Load/store instructions with long/short format
- Signed load instructions
•
Memory
•
Cache Controller. 2-way associative
4K Bytes
•
Boot Loader
- Internal Boot Loader for downloading Flash-Self-Programming routines into RAM
- Support of virgin programming for external flash memories
•
Clock Generator
- Internal Spread-Spectrum PLL
- (CPU Core/ BCU clock supply)
- Internal PLL (Peripheral clock supply)
4 fold PLL
- Frequency range:
up to 32 MHz
- Crystal frequency range:
4 MHz - 5 MHz
- Internal “Slow-Running” clock oscillator
•
Built-in power saving modes:
WATCH, HALT, STOP
•
Power supply voltage range V
DD5
4.5 V
≤
V
DD5
≤
5.5 V
•
Power supply voltage range V
DD3
3.0 V
≤
V
DD3
≤
3.6 V
•
Temperature range:
Ta = - 40 to + 85°C
@
φ
= 32 MHz
Ta = - 40 to + 110°C
@
φ
= 20 MHz
Part Number
Internal ROM
Internal RAM
Full-Can (2.0b active)
Full-CAN RAM
µPD703128 (A)
Rom-less
12 Kbytes
2 Channels
1 Kbytes
(32 message buffers)
µPD703129 (A)
Rom-less
16 Kbytes
4 Channels
1 Kbytes
(32 message buffers)
µPD703129 (A1)
Rom-less
16 Kbytes
4 Channels
1 Kbytes
(32 message buffers)
Содержание mPD703128
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