参数资料
型号: R5F21296KXXXSP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封装: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件页数: 56/63页
文件大小: 612K
代理商: R5F21296KXXXSP
R8C/28 Group, R8C/29 Group
1. Overview
Rev.2.10
Sep 26, 2008
Page 4 of 67
REJ03B0169-0210
1.3
Block Diagram
Figure 1.1
Block Diagram
R8C CPU core
System clock generation
circuit
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
XCIN-XCOUT(3)
Memory
Watchdog timer
(15 bits)
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.
3. XCIN, XCOUT can be used only for N or D version.
Timers
Timer RA (8 bits)
Timer RB (8 bits)
Timer RC
(16 bits
× 1 channel)
Timer RE (8 bits)
A/D converter
(10 bits
× 4 channels)
UART or
clock synchronous serial I/O
(8 bits
× 1 channel)
I2C bus interface or clock synchronous
serial I/O with chip select
(8 bits
× 1 channel)
LIN module
(1 channel)
8
Port P1
4
Port P3
1
3
Port P4
Peripheral functions
UART
(8 bits
× 1 channel)
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