R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 505

• 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.
0.10
0.20
REVISION HISTORY
REVISION HISTORY
Jan 16, 2006
Jul 27, 2005
Date
all pages • “Preliminary” deleted
Page
10
12
13
14
15
24
25
26
−
2
3
4
5
6
7
8
9
First Edition issued
• Symbol name “TRDMDR” → “TRDMR”, “SSUAIC” → “SSUIC”,
• Pin name “TCLK” → “TRDCLK” revised
• Bit name “TPSC0 to TPSC2” → “TCK0 to TCK2”, “TRD0 count stop bit”
Table 1.1 Functions and Specifications for R8C/24 Group 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 revised
Table 1.4 Product Information of R8C/25 Group revised
Figure 1.4 Pin Assignment (Top View);
Table 1.5 Pin Functions;
Table 1.6 Pin Name Information by Pin Number
Figure 2.1 CPU Registers;
2.8.10 Reserved Area;
Figure 3.1 Memory Map of R8C/24 Group;
3.2 R8C/25 Group, Figure 3.2 Memory Map of R8C/25 Group;
Table 4.1 SFR Information(1);
Figure 5.4 OFS Register; NOTE1 revised and NOTE3 added
5.1.1 When Power Supply is Stable (2) revised
5.1.2 Power On (4) revised
Figure 5.5 Example of Hardware Reset Circuit and Operation and Figure
5.6 Example of Hardware Reset Circuit (Usage Example of External
Supply Voltage Detection Circuit) and Operation revised
“IIC2AIC” → “IICIC”, and “TSTOP0, TSTOP1” → “CSEL0, CSEL1”
revised
→ “TRD0 count operation select bit”, and “TRD1 count stop bit” →
“TRD1 count operation select bit” revised
R8C/24 Group, R8C/25 Group Hardware Manual
R8C/24 Group, R8C/25 Group Hardware Manual
“Peripheral Functions” added,
“System Clock Generation” → “System Clock Generator” revised
“VSS” → “VSS/AVSS” and “VCC” → “VCC/AVCC” revised
“Analog power supply input” added, “Reference voltage input” revised
“VSS” → “VSS/AVSS” and “VCC” → “VCC/AVCC” revised
“Reserved Area” → “Reserved Bit” revised
“Reserved Area” → “Reserved bit” revised
“Program area” → “program ROM” revised
“Data area” → “data flash”, “Program area” → “program ROM” revised
0012h:
0016h:
0024h:
NOTES 3 and 4 revised
“X0h” → “00h”
“X0h” → “00h”
“TBD” → “When shipping”
C - 1
Description
Summary