參數(shù)資料
型號(hào): R5F21274JFP
元件分類(lèi): 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁(yè)數(shù): 15/52頁(yè)
文件大小: 620K
代理商: R5F21274JFP
R8C/26 Group, R8C/27 Group
1. Overview
Rev.2.10
Sep 26, 2008
Page 4 of 69
REJ03B0168-0210
1.3
Block Diagram
Figure 1.1
Block Diagram
R8C CPU core
A/D converter
(10 bits
× 12 channels)
UART or
clock synchronous serial I/O
(8 bits
× 2 channels)
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.
I2C bus interface or clock synchronous
serial I/O with chip select
(8 bits
× 1 channel)
LIN module
(1 channel)
System clock
generation circuit
XIN-XOUT
High-speed on-chip oscillator
Low-Speed on-chip oscillator
XCIN-XCOUT(3)
Timers
Timer RA (8 bits)
Timer RB (8 bits)
Timer RC
(16 bits
× 1 channel)
Timer RE (8 bits)
8
Port P0
8
Port P1
6
Port P3
1
3
Port P4
2
Port P5
Peripheral functions
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