R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 54

• Manufacturer Part Number: R5F21257SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• For Use With: R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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