参数资料
型号: R8C22
厂商: Renesas Technology Corp.
英文描述: MCU
中文描述: 微控制器
文件页数: 4/52页
文件大小: 471K
代理商: R8C22
R8C/22 Group, R8C/23 Group
1. Overview
Rev.1.10 Mar 16, 2007
REJ03B0097-0110
Page 4 of 48
1.3
Block Diagram
Figure 1.1 shows a Block Diagram.
Figure 1.1
Block Diagram
R8C/Tiny Series CPU core
Timer
Timer RA (8 bits)
Timer RB (8 bits)
Timer RD (16 bits
×
2 channels
)
Timer RE (8 bits)
A/D converter
(10 bits
×
12 channels)
System clock
generation circuit
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
UART or
clock synchronous serial I/O
(8 bits
×
1 channel)
Memory
Watchdog timer
(15 bits)
ROM
(1)
RAM
(2)
Multiplier
R0H
R1H
R0L
R1L
R2
R3
A0
A1
FB
SB
USP
ISP
INTB
PC
FLG
I/O port
NOTES:
1. ROM size depends on MCU type.
2. RAM size depends on MCU type.
I
2
C bus interface or
clock synchronous serial I/O
with chip select
(8 bits
×
1 channel)
8
Port P1
6
Port P3
3
3
Port P4
8
Port P0
8
Port P2
8
Port P6
CAN module
(1 channel)
UART
(8 bits
×
1 channel)
LIN module
(1 channel)
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