Datasheet

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REVISION HISTORY R8C/24 Group, R8C/25 Group Datasheet
Rev. Date
Description
Page Summary
0.01 Sep 17, 2004 - First Edition issued
0.02 Dec 10, 2004 All pages Part Number revised. R8C/26
→ R8C/24, R8C/27 → R8C/25
2, 3 Table 1.1 R8C/24 Group Performance, Table 1.2 R8C/25 Group
Performance
- Serial Interface: I
2
C Bus Interface and Chip-select clock synchronous
(SSU) added.
- LIN Module added.
- Interrupt: Internal factors revised; 10
→ 11
- Note on Operating Ambient Temperature added.
4 Figure 1.1 Block Diagram
- LIN Module added.
- Chip-select clock synchronous (SSU) is added to I
2
C Bus Interface.
5, 6 Table 1.3 Product Information of R8C/24 Group, Table 1.4 Product
Information of R8C/25 Group
Date and Development state revised.
7 Figure 1.4 Pin Assignment
P3_5/SCL
→ P3_5/SCL/SSCK, P3_3 → P3_3/SSI,
P3_4/SDA
→ P3_4/SDA/SCS, P3_7 → P3_7/SSO, VSS/AVSS → VSS,
XIN/P4_6
→ P4_6/XIN, VCC/AVSS → VCC
12pin P1_7/TRAIO/INT1 to 22pin P1_0/KI0
/AN8
→ 20pin P1_7/TRAIO/INT1 to 30pin P1_0/KI0/AN8
8 Table 1.5 Pin Description
- Analog Power Supply Input eliminated.
- SSU added.
9 Table 1.6 Pin Name Information by Pin Number added.
15 Table 4.1 SFR Information (1)
- 0031h: Voltage Detection Register 1
→ Voltage Detection A Register 1
- 0032h: Voltage Detection Register 1
→ Voltage Detection A Register 2
01000001b
→ 00100001b (Note 4)
- 0036h: “
(3)
, 01000001b
(4)
” eliminated.
- 0038h: Voltage Monitor 0 Control Register
(2)
, VW0C,
00001000b
(3)
, 01000001b
(4)
added.
16 Table 4.2 SFR Information (2)
- 0048h: Timer RD0 Interrupt Control Register, RD0IC, XXXXX000b added.
- 0049h: Timer RD Interrupt Control Register, RDIC
→ Timer RD1 Interrupt Control Register, RD1IC
- 004Fh: IIC Interrupt Control Register, IIC
→ IIC/SSU Interrupt Control Register, IIC2IC
19 Table 4.5 SFR Information (3)
- 0106h: LIN Control Register, LINCR, 00h added.
-0107h: LIN Status Register, LINST, 00h added.
REVISION HISTORY R8C/24 Group, R8C/25 Group Datasheet