参数资料
型号: R5F21244SDXXXFP
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: R5F21244SDXXXFP
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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