参数资料
型号: R5F2120CJFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件页数: 39/47页
文件大小: 432K
代理商: R5F2120CJFP
A - 1
R8C/20 Group, R8C/21 Group Datasheet
Rev.
Date
Description
Page
Summary
0.10
Mar 08, 2005
First Edition issued
0.20
Sep 29, 2005
Words standardized
- Clock synchronous serial interface
→ Clock synchronous serial I/O
- Chip-select clock synchronous interface(SSU)
→ Clock synchronous serial I/O with chip select
- I2C bus interface(IIC)
→ I2C bus interface
2, 3
Table1.1 R8C/20 Group Performance, Table1.2 R8C/21 Group
Performance
Serial Interface revised:
- Clock Synchronous Serial Interface: 1 channel
I2C bus Interface (3), Clock synchronous serial I/O with chip select
- Power-On Reset Circuit added
- Power Consumption value determined
5, 6
Table 1.3 Product Information of R8C/20 Group, Table 1.4 Product
Information of R8C/21 Group
Date revised.
7
Figure 1.4 Pin Assignment
Pin name revised:
- P3_5/SSCK(/SCL)
→ P3_5/ SCL/SSCK
- P3_4/SCS(/SDA)
→ P3_4/ SDA /SCS
- VSS
→ VSS/AVSS
- VCC
→ VCC/AVCC
- P1_5/RXD0/(TRAIO/INT1)
→ P1_5/RXD0/(TRAIO)/(INT1)
- P6_6/INT2/(TXD1)
→ P6_6/INT2/TXD1
- P6_7/INT3/(RXD1)
→ P6_7/INT3/RXD1
- NOTE2 added
8
Table 1.5 Pin Description
- Analog Power Supply Input: line added
- I2C Bus Interface (IIC)
→ I2C Bus Interface
- SSU
→ Clock Synchronous Serial I/O with Chip Select
9
Table 1.6 Pin Name Information by Pin Number revised
- Pin Number 1: (SCL)
→ SCL
- Pin Number 2: (SDA)
→ SDA
- Pin Number 9: VSS
→ VSS/AVSS
- Pin Number 11: VCC
→ VCC/AVCC
- Pin Number 26: (TXD1)
→ TXD1
- Pin Number 27: (RXD1)
→ RXD1
15
Table 4.1 SFR Information (1) revised
- 0013h: XXXXXX00b
→ 00h
17
Table 4.3 SFR Information (3) revised
- 00BCh: 0000X000b
→ 00h/0000X000b
18
Table 4.4 SFR Information (4) revised
- 00D6h: 00000XXXb
→ 00h
- 00F5h: UART1 Function Select Register added
19
Table 4.5 SFR Information (5) revised
- 0104h: TRATR
→ TRA
REVISION HISTORY
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