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参数资料
型号： R5F21258SDXXXFP
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封装： 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件页数： 50/59页
文件大小： 528K
代理商： R5F21258SDXXXFP
A - 3
REVISION HISTORY
R8C/24 Group, R8C/25 Group Datasheet
0.30
Sep 01, 2005
7
Figure 1.4 Pin Assignment
Pin name revised;
VSS
→ VSS/AVSS,
VCC
→ VCC/AVCC,
P1_5/RXD0/(TRAIO)/(INT1)
→ P1_5/RXD0/(TRAIO)/(INT1)(2),
P6_6/INT2/(TXD1)
→ P6_6/INT2/TXD1,
P6_7/INT3/(RXD1)
→ P6_7/INT3/RXD1,
P6_5
→ P6_5/CLK1
NOTE2 added
8
Table 1.5 Pin Description
Analog Power Supply Input: line added
INT Interrupt Input: “INT0 Timer RD input pins. INT1 Timer RA input
pins.” added
Serial Interface: “CLK1” 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 10: “VSS”
→ “VSS/AVSS”
Pin Number 12: “VCC”
→ “VCC/AVCC”
Pin Number 27: “INT0” added
Pin Number 28: “(TXD1)”
→ “TXD1”
Pin Number 29: “(RXD1)”
→ “RXD1”
Pin Number 35: “CLK1” added
15
Tabel 4.1 SFR Information(1) revised:
0012h: X0h
→ 00h
0013h: XXXXXX00b
→ 00h
0016h: X0h
→ 00h
0036h: Voltage Monitor 1 Control Register(2)
→ Voltage Monitor 1
Control Register(5)
0038h: 00001000b(3), 01000001b(4)
→ 0000X000b(3), 0100X001b(4)
NOTES2, 5: “the voltage monitor 1 reset” added
NOTE3: “voltage monitor 1 reset”
→ “voltage monitor 0 reset”
16
Tabel 4.2 SFR Information(2) revised:
0048h: RD0IC
→ TRD0IC
0049h: RD1IC
→ TRD1IC
004Ah: REIC
→ TREIC
004Fh: SSU/IIC Interrupt Control Register, IIC2AIC
→
SSU/IIC Interrupt Control Register(2), SSUAIC/IIC2AIC
0056h: RAIC
→ TRAIC
0058h: RBIC
→ TRBIC
NOTE2 added
17
Tabel 4.3 SFR Information(3) revised:
00BCh: 00h
→ 00h/0000X000b
18
Tabel 4.4 SFR Information(4) revised:
00D6h: 00000XXXb
→ 00h
00F5h: UART1 Function Select Register, U1SR, XXh added
Rev.
Date
Description
Page
Summary
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