R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 59

• 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
1.00
REVISION HISTORY
May 31, 2006 all pages “Under development” deleted
Jan 24, 2006
Date
5 to 6
Page
46
15
19
20
22
24
25
26
27
28
35
39
43
46
1
3
4
9
Package Dimensions;
1. Overview; “data flash ROM” → “data flash” revised
Table 1.2 Functions and Specifications for R8C/25 Group revised
Figure 1.1 Block Diagram;
Table 1.3 Product Information for R8C/24 Group and Table 1.4 Product
Information for R8C/25 Group; A part of (D) mark is deleted.
Table 1.6 Pin Name Information by Pin Number NOTE1 added
Table 4.1 SFR Information(1);
Table 4.5 SFR Information(5);
Table 4.6 SFR Information(6);
Table 5.2 Recommended Operating Conditions revised
Table 5.4 Flash Memory (Program ROM) Electrical Characteristics revised
Table 5.5 Flash Memory (Data flash Block A, Block B) Electrical
Characteristics revised
Figure 5.2 Time delay until Suspend title revised
Table 5.9 Voltage Monitor 0 Reset Electrical Characteristics → Table 5.9
Power-on Reset Circuit, Voltage Monitor 0 Reset Electrical Characteristics
revised
Table 5.10 Power-on Reset Circuit Electrical Characteristics (When Not
Using Voltage Monitor 0 Reset) deleted
Figure 5.3 Power-on Reset Circuit Electrical Characteristics revised
Table 5.10 High-speed On-Chip Oscillator Circuit Electrical
Characteristics revised
Table 5.11 Low-speed On-Chip Oscillator Circuit Electrical
Characteristics revised
Table 5.16 Electrical Characteristics (2) [Vcc = 5 V] revised
Table 5.22 Electrical Characteristics (4) [Vcc = 3 V] revised
Table 5.28 Electrical Characteristics (6) [Vcc = 2.2 V] revised
Package Dimensions;
“TBD” → “PLQP0052JA-A (52P6A-A)” added
“System clock generator” → “System clock generation circuit” revised
001Ch: “00h” → “00h, 10000000b” revised
0029h: High-Speed On-Chip Oscillator Control Register 4 FRA4 When shipping added
002Bh: High-Speed On-Chip Oscillator Control Register 6 FRA6 When shipping added
NOTE6 added
0118h: Timer RE Second Data Register / Counter Data Register,
0119h: Timer RE Minute Data Register / Compare Data Register
register name revised
0143h: “11000000b” → “11100000b” revised
“The latest package ... Renesas Technology website.” added
R8C/24 Group, R8C/25 Group Datasheet
A - 6
Description
Summary