R5F21256SNFP#U0 Renesas Electronics America, R5F21256SNFP#U0 Datasheet - Page 80

• Manufacturer Part Number: R5F21256SNFP#U0
• Description: IC R8C MCU FLASH 32K 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21256SNFP#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: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K 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: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Table 7.14
X: 0 or 1
NOTE:
Table 7.15
X: 0 or 1
NOTE:
Table 7.16
X: 0 or 1
NOTES:
Table 7.17
X: 0 or 1
NOTE:
Register
Register
Register
Register
Setting
Setting
Setting
Setting
Value
1. Pulled up by setting the PU02 bit in the PUR0 register to 1.
Value
1. Pulled up by setting the PU02 bit in the PUR0 register to 1.
Value
1. Pulled up by setting the PU03 bit in the PUR0 register to 1.
2. N-channel open drain output by setting the NCH bit in the U0C0 register to 1.
Value
1. Pulled up by setting the PU03 bit in the PUR0 register to 1.
Bit
Bit
Bit
Bit
Feb 29, 2008
PD1_5
PD1_2
PD1_3
PD1_4
PD1
PD1
PD1
PD1
Port P1_2/KI2/AN10
Port P1_3/KI3/AN11
Port P1_4/TXD0
Port P1_5/RXD0/(TRAIO)/(INT1)
0
1
0
0
0
X
0
1
0
0
0
1
0
0
0
1
X
TIOSEL
KI2EN
KI3EN
KIEN
KIEN
SMD2
0
X
X
0
X
X
X
0
1
1
1
Page 61 of 485
X
X
X
X
X
X
1
1
TRAIOC
0
0
0
1
1
1
TOPCR
X
1
X
X
1
X
X
X
X
0
CH2
CH2
U0MR
SMD1
X
X
X
X
X
X
1
1
0
0
0
0
0
1
TMOD2
X
X
X
X
0
0
CH1
CH1
X
X
X
X
X
X
SMD0
1
1
Other than 001b
Other than 001b
Other than 001b
Other than 001b
Other than 001b
ADCON0
ADCON0
0
0
1
0
1
0
TRAMR
TMOD1
X
X
X
X
0
0
Input port
Output port
TXD0 output
CH0
CH0
X
X
X
X
X
X
0
1
TMOD0
X
X
X
X
1
1
(1)
ADGSEL0
ADGSEL0
(2)
X
X
X
1
X
X
X
1
INT1EN
INTEN
X
X
X
X
X
1
Input port
Output port
KI2 input
A/D converter input (AN10)
Input port
Output port
KI3 input
A/D converter input (AN11)
Input port
Output port
RXD0 input
TRAIO input
TRAIO/INT1 input
TRAIO pulse output
Function
(1)
(1)
7. Programmable I/O Ports
(1)
Function
Function
Function