参数资料
型号: R5F21355ADFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封装: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件页数: 56/57页
文件大小: 476K
代理商: R5F21355ADFP
R8C/2A Group, R8C/2B Group
1. Overview
Rev.1.00
Feb 09, 2007
Page 8 of 55
REJ03B0182-0100
1.3
Block Diagram
Figure 1.3
Block Diagram
D/A converter
(8 bits
× 2)
R8C/Tiny Series CPU core
Memory
ROM(1)
RAM(2)
Multiplier
R0H
R0L
R1H
R2
R3
R1L
A0
A1
FB
SB
USP
ISP
INTB
PC
FLG
I/O ports
NOTES:
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
8
Port P1
8
Port P3
3
2
Port P4
8
Port P0
8
Port P2
5
Port P5
System clock
generation circuit
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
XCIN-XCOUT
Timers
Timer RA (8 bits
× 1)
Timer RB (8 bits
× 1)
Timer RC (16 bits
× 1)
Timer RD (16 bits
× 2)
Timer RE (8 bits
× 1)
Timer RF (16 bits
× 1)
UART or
clock synchronous serial I/O
(8 bits
× 3)
I2C bus or SSU
(8 bits
× 1)
Peripheral functions
Watchdog timer
(15 bits)
A/D converter
(10 bits
× 12 channels)
LIN module
8
Por
tP
6
7
Por
tP8
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