R5F21257SYFP#U0 Renesas Electronics America, R5F21257SYFP#U0 Datasheet - Page 82
![MCU 2KB FLASH 48K 52-LQFP](/photos/28/61/286101/52-lqfp_sml.jpg)
R5F21257SYFP#U0
Manufacturer Part Number
R5F21257SYFP#U0
Description
MCU 2KB FLASH 48K 52-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21257SYFP#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 ~ 105°C
Package / Case
52-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Table 7.21
X: 0 or 1
NOTES:
Table 7.22
X: 0 or 1
NOTES:
Table 7.23
X: 0 or 1
NOTES:
Register
Register
Register
Setting
Setting
Setting
Value
Value
Value
Bit
1. Pulled up by setting the PU04 bit in the PUR0 register to 1.
2. Output drive capacity high by setting the P2DRR1 bit in the P2DRR register to 1.
Bit
1. Pulled up by setting the PU04 bit in the PUR0 register to 1.
2. Output drive capacity high by setting the P2DRR2 bit in the P2DRR register to 1.
Bit
1. Pulled up by setting the PU04 bit in the PUR0 register to 1.
2. Output drive capacity high by setting the P2DRR3 bit in the P2DRR register to 1.
Feb 29, 2008
PD2_1
PD2_2
PD2_3
PD2
PD2
PD2
X
X
X
X
X
0
1
0
X
X
X
X
X
X
X
X
0
1
0
0
1
0
Port P2_1/TRDIOB0
Port P2_2/TRDIOC0
Port P2_3/TRDIOD0
TRDOER1
TRDOER1
TRDOER1
EB0
EC0
ED0
1
1
X
0
0
0
0
0
X
X
1
1
0
0
0
0
1
1
0
0
0
0
Page 63 of 485
CMD1 CMD0 PWM3
CMD1
CMD1
X
X
0
1
1
0
0
0
0
X
X
X
X
0
1
1
0
0
0
0
1
1
0
0
0
TRDFCR
TRDFCR
TRDFCR
CMD0 PWM3
CMD0 PWM3
X
X
0
0
1
1
0
0
0
X
X
0
1
0
0
X
X
0
1
0
0
0
1
0
1
X
X
1
X
X
0
1
1
X
X
X
X
X
X
X
X
1
1
1
1
1
1
TRDPMR
PWMB0
TRDPMR
TRDPMR
PWMC0
PWMD0
X
X
X
X
X
0
1
0
X
X
0
X
X
1
0
X
X
0
X
X
1
0
IOB2 IOB1 IOB0
X
X
1
X
X
X
X
0
0
IOC2 IOC1 IOC0
IOD2 IOD1 IOD0
X
X
X
X
X
X
X
X
X
X
TRDIORA0
1
0
0
1
0
0
TRDIORC0
TRDIORC0
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
0
1
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
Input port
Output port
Timer mode (input capture function)
Complementary PWM mode waveform output
Reset synchronous PWM mode waveform output
PWM3 mode waveform output
PWM mode waveform output
Timer mode waveform output (output compare
function)
Input port
Output port
Timer mode (input capture function)
Complementary PWM mode waveform
output
Reset synchronous PWM mode waveform
output
PWM mode waveform output
Timer mode waveform output (output
compare function)
Input port
Output port
Timer mode (input capture function)
Complementary PWM mode waveform
output
Reset synchronous PWM mode waveform
output
PWM mode waveform output
Timer mode waveform output (output
compare function)
(2)
(2)
(2)
(2)
(2)
(1)
(2)
(1)
(1)
(2)
(2)
7. Programmable I/O Ports
Function
Function
Function
(2)
(2)
(2)
(2)
(2)
(2)
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