R5F21274JFP#U0 Renesas Electronics America, R5F21274JFP#U0 Datasheet - Page 81

• Manufacturer Part Number: R5F21274JFP#U0
• Description: MCU FLASH 2K FLASH 16K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/27r

Specifications of R5F21274JFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 25
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 7.10
Pin Select Register 1
Pin Select Register 2
Pin Select Register 3
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
b7 b6 b5 b4
0 0 0 0
0
1.
0 0
1
The UART1 pins can be selected by using bits U1PINSEL, TXD1SEL and TXD1EN in the PMR register. Refer to Figure
7.11 PMR Register.
Sep 26, 2008
b3 b2
b3 b2
b3 b2
0
0
1
0
1
Registers PINSR1, PINSR2, and PINSR3
b1
b1
b1
0
1
b0
b0
b0
0
1
UART1SEL0
UART1SEL1
TRCIOCSEL
TRCIODSEL
Bit Symbol
Bit Symbol
Bit Symbol
TRBOSEL
(b7-b3)
(b5-b0)
(b2-b0)
(b7-b6)
Symbol
PINSR1
Symbol
PINSR2
Symbol
PINSR3
Page 62 of 453
(b2)
(b7)
(b5)
—
—
—
—
—
—
—
TXD1/RXD1 pin select bit
Reserved bit
Reserved bits
Reserved bits
TRBO pin select bit
Reserved bit
Reserved bits
TRCIOC pin select bit
TRCIOD pin select bit
Reserved bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Address
Bit Name
Address
Bit Name
Address
Bit Name
00F7h
00F6h
00F5h
(1)
Set to 1. When read, the content is 0.
0 : P5_3
1 : P3_4
0 : P5_4
1 : P3_5
Set to 1. When read, the content is 0.
Set to 0. When read, the content is 0.
0 : P3_1
1 : P1_3
Set to 0. When read, the content is 0.
Set to 1. When read, the content is 0.
Set to 0. When read, the content is 0.
b1 b0
0 0 : P3_7(TXD1/RXD1)
0 1 : P3_7(TXD1), P4_5(RXD1)
1 0 : P3_6(TXD1/RXD1)
1 1 : Do not set.
After Reset
After Reset
After Reset
Function
Function
Function
00h
00h
00h
7. Programmable I/O Ports
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
—