R5F21256SNFP#U0 Renesas Electronics America, R5F21256SNFP#U0 Datasheet - Page 88

• 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 7.44
NOTE:
Table 7.45
X: 0 or 1
NOTE:
Table 7.46
X: 0 or 1
NOTE:
Table 7.47
X: 0 or 1
NOTE:
Register
Register
Setting
Setting
Register
Register
Value
Value
Setting
Setting
1. Pulled up by setting the PU15 bit in the PUR1 register to 1.
Value
1. Pulled up by setting the PU15 bit in the PUR1 register to 1.
Value
1. Pulled up by setting the PU15 bit in the PUR1 register to 1.
1. Pulled up by setting the PU15 bit in the PUR1 register to 1.
Bit
Bit
Bit
Bit
Feb 29, 2008
PD6_6
PD6_5
PD6
PD6
PD6_7
0
1
0
X
X
X
0
1
0
Port P6_4
Port P6_5/CLK1
Port P6_6/INT2/TXD1
Port P6_7/INT3/RXD1
PD6
0
1
0
0
U1PINSEL
U1PINSEL
PMR
PMR
PD6_4
X
0
X
0
X
1
1
PD6
X
0
X
X
0
X
1
1
Page 69 of 485
0
1
U1PINSEL
PMR
SMD2
X
X
X
1
SMD2
0
X
0
X
X
0
1
1
1
0
1
1
1
X
X
X
X
X
0
Other than 001b
Other than 001b
U1MR
SMD1
SMD1
X
X
X
0
0
0
0
0
1
0
0
0
1
X
X
X
X
X
0
Input port
Output port
INT3EN
INTEN
U1MR
X
X
X
1
SMD0
X
X
X
0
0
1
0
1
0
1
0
1
0
SMD0
(1)
X
X
X
X
X
1
Input port
Output port
INT3 input
RXD1 input
U1C0
NCH
X
X
X
0
1
CKDIR
X
X
X
1
0
1
0
(1)
INT2EN
INTEN
Input port
Output port
CLK1 (external clock) input
CLK1 (internal clock) output
X
X
X
X
1
Function
Input port
Output port
INT2 input
TXD1 output (CMOS output)
TXD1 output (N-channel open-drain output)
(1)
Function
(1)
Function
7. Programmable I/O Ports
Function