R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 77

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 7.8
Pin Select Register 1
Pin Select Register 2
Pin Select Register 3
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
NOTE:
0 0 0 0
0
1.
1. Set the TRBOSEL bit to 1 (enabled) before using timer RB.
1.
0 0
1
The UART1 pins can be selected by using bits TXD1SEL and TXD1EN in the PMR register. Refer to Figure 7.9 PMR
Register .
Set these bits to 1 (enabled) before using timer RC.
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
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(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)
(1)
(1)
(1)
Set to 1. When read, the content is 0.
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
Set to 1. When read, the content is 0.
Set to 0. When read, the content is 0.
0 : Disabled
1 : Enabled
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 : Do not set.
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
—