R5F21258SNFP#U0 Renesas Electronics America, R5F21258SNFP#U0 Datasheet - Page 501

• Manufacturer Part Number: R5F21258SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21258SNFP#U0

• Core Size: 16/32-Bit
• Program Memory Size: 64KB (64K x 8)
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Type: FLASH
• Ram Size: 3K 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
• No. Of I/o's: 41
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 2.2V To 5.5V
• Embedded Interface Type: I2C, UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: YMCRPR8C25 - REF PLATFORM MOTOR CTRL R8C/25R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

R8C/24 Group, R8C/25 Group Appendix 2. Connection Examples between Serial Writer and On-Chip Debugging
Rev.3.00
REJ09B0244-0300
Appendix 2. Connection Examples between Serial Writer and On-Chip
Appendix Figure 2.1 shows a Connection Example with M16C Flash Starter (M3A-0806), and Appendix Figure 2.2
shows a Connection Example with E8 Emulator (R0E000080KCE00).
Appendix Figure 2.1
Appendix Figure 2.2
VCC
Feb 29, 2008
4.7kΩ or more
TXD
(R0E000080KCE00)
RXD
VSS
14
12
10
8
6
4
2
E8 emulator
Debugging Emulator
RXD 4
TXD
M16C flash starter
10
MODE
(M3A-0806)
Connection Example with M16C Flash Starter (M3A-0806)
Connection Example with E8 Emulator (R0E000080KCE00)
13
RESET
7 MODE
Page 482 of 485
User logic
4.7kΩ ±10%
MODE
7 VSS
1 VCC
Open collector buffer
RESET
Connect oscillation
VSS
VCC
NOTE:
1. An oscillation circuit must be connected, even when
Connect oscillation
VSS
operating with the on-chip oscillator clock.
VCC
NOTE:
1. It is not necessary to connect an oscillation circuit
circuit
when operating with the on-chip oscillator clock.
(1)
circuit
(1)
10
11
12
13
1
2
3
4
5
6
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8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
39
38
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36
35
34
33
32
31
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27
39
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