R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 85

• 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
Table 7.20
X: 0 or 1
NOTES:
Table 7.21
X: 0 or 1
NOTE:
Register
Register
Setting
Setting
Value
1. Pulled up by setting the PU07 bit in the PUR0 register to 1.
2. Set the SSISEL bit in the PMR register to 0 (P3_3).
3. N-channel open drain output by setting the SOOS bit in the SSMR2 register to 1 (N-channel open drain output).
4. N-channel open drain output by setting the NCH bit in the U1C0 register to 1.
Value
1. Set the U1PINSEL bit in the PMR register to 1 (enabled).
Bit
Bit
Sep 26, 2008
PD3_7
UART1SEL1
PD3
0
1
X
0
X
X
X
Port P3_7/TRAO/SSO/RXD1/(TXD1)
Port P3_7 UART1 Setting Condition
0
IICSEL SSO output control
PINSR1
PMR
X
X
X
X
X
0
0
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UART1SEL0
Communication Modes and I/O Pins.)
Clock Synchronous Serial I/O with Chip
0
1
0
Select (Refer to Table 16.4
Association between
0
0
0
0
0
1
0
TXD1SEL
Other than above
X
1
X
PMR
SSO input control
TXD1EN
0
0
0
0
0
0
1
X
1
0
(1)
SMD2
TRAMR
0
1
1
1
0
1
1
1
X
TOENA
X
X
X
0
0
0
1
U1MR
SMD1
Other than TXD1, RXD1
Other than TXD1, RXD1
Other than TXD1, RXD1
Other than TXD1, RXD1
Other than TXD1, RXD1
Refer to Table 7.21Port
Refer to Table 7.21Port
X
0
0
0
1
0
0
0
1
P3_7 UART1 Setting
P3_7 UART1 Setting
usage conditions
usage conditions
usage conditions
usage conditions
usage conditions
UART1 setting
Condition
Condition
SMD0
−
X
1
0
1
0
1
0
1
0
7. Programmable I/O Ports
TXD1 output
RXD1 input
Other than TXD1, RXD1
usage conditions
Input port
Output port
TXD1 output
RXD1 input
TRAO output
SSO output
SSO input
Function
Function
(1)
(2)
(1)
(2)
(3)
(4)