R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 58

• 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.
0.40
REVISION HISTORY
Jan 24, 2006
Date
Page
15
19
22
23
24
25
26
28
29
33
34
35
36
37
38
39
40
41
42
43
44
45
Table 4.1 SFR Information(1);
Table 4.5 SFR Information (5);
Table 5.1 Absolute Maximum Ratings;
Table 5.2 Recommended Operating Conditions revised
Table 5.3 A/D Converter Characteristics revised
Table 5.4 Flash Memory (Program ROM) Electrical Characteristics
revised
Table 5.5 Flash Memory (Data flash Block A, Block B) Electrical revised
Table 5.6 Voltage Detection 0 Circuit Electrical Characteristics revised
Table 5.7 Voltage Detection 1 Circuit Electrical Characteristics revised
Table 5.8 Voltage Detection 2 Circuit Electrical Characteristics revised
Table 5.11 High-speed On-Chip Oscillator Circuit Electrical
Characteristics revised
Table 5.12 Low-speed On-Chip Oscillator Circuit Electrical
Characteristics revised
Table 5.13 Power Supply Circuit Timing Characteristics revised
Table 5.14 Timing Requirements of Clock Synchronous Serial I/O with
Chip Select revised
Table 5.15 Timing Requirements of I
Table 5.16 Electrical Characteristics (1) [V
Table 5.17 Electrical Characteristics (2) [V
Table 5.18 XIN Input, XCIN Input revised
Table 5.20 Serial Interface revised
Table 5.22 Electrical Characteristics (3) [V
Table 5.23 Electrical Characteristics (4) [Vcc = 3 V] revised
Table 5.24 XIN Input, XCIN Input revised
Table 5.26 Serial Interface revised
Table 5.28 Electrical Characteristics (5) [V
Table 5.29 Electrical Characteristics (6) [Vcc = 2.2 V] revised
Table 5.30 XIN Input, XCIN Input revised
Table 5.31 TRAIO Input, INT1 Input revised
Table 5.32 Serial Interface revised
Table 5.33 External Interrupt INTi (i = 0, 2, 3) Input
0024h:
NOTES 3 and 4 revised
0118h:
0119h:
0138h:
013Bh:
“V
CC
” → ”V
R8C/24 Group, R8C/25 Group Datasheet
“TBD” → “When shipping”
“Timer RE Second Data Register” → “Timer RE Second
Data Register / Counter Data Register”
“Timer RE Minute Data Register” → “Timer RE Minute Data
Register / Compare Data Register”
“TRDMDR” → “TRDMR”
“Timer RD Output Master Enable Register” → “Timer RD
Output Master Enable Register 1”
CC
/AV
A - 5
CC
” revised
Description
Summary
2
C bus Interface NOTE1 revised
CC
CC
CC
CC
= 5 V] revised
= 5 V] revised
= 3 V] revised
= 2.2 V] revised