參數(shù)資料
型號: R5F21357CDFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 25/29頁
文件大?。?/td> 632K
代理商: R5F21357CDFP
R8C/35C Group
1. Overview
REJ03B0283-0001 Rev.0.01 Sep. 01, 2009
Page 5 of 27
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
1.3
Block Diagram
Figure 1.2
Block Diagram
D/A converter
(8 bits
× 2)
R8C CPU core
System clock generation
circuit
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
XCIN-XCOUT
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
5
1
Port P4
8
Port P0
8
Port P2
2
Port P5
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)
UART or
clock synchronous serial I/O
(8 bits
× 3)
I2C bus or SSU
(8 bits
× 1)
Peripheral functions
Watchdog timer
(14 bits)
A/D converter
(10 bits
× 12 channels)
LIN module
Comparator B
Voltage detection circuit
DTC
8
Port P6
Low-speed on-chip oscillator
for watchdog timer
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