R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 135

• Manufacturer Part Number: R5F21346CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/34Cr

Specifications of R5F21346CNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 43
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 102 of 723
Table 7.34
X: 0 or 1
Notes:
Register
Setting
Value
Bit
1.
2.
3.
4.
Pulled up by setting the PU07 bit in the PUR0 register to 1.
Output drive capacity high by setting the DRR07 bit in the DRR0 register to 1.
N-channel open-drain output by setting the SOOS bit in the SSMR2 register to 1 (N-channel open-drain output).
N-channel open-drain output by setting the NCH bit in the U2C0 register to 1.
PD3_7
PD3
0
1
X
X
X
0
0
X
0
X
SSUIICSR ICCR1
Port P3_7/SSO/TXD2/SDA2/RXD2/SCL2/TRAO/SDA
IICSEL
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
ICE
0
X
0
X
1
X
X
0
X
0
X
0
X
0
X
0
X
Association between
Modes and I/O Pins.)
Communication Unit
(Refer to Table 25.4
Synchronous Serial
control
output
Communication
SSO
X
0
X
0
X
0
1
X
0
X
0
X
0
X
0
X
0
control
SSO
input
X
X
X
X
X
X
X
X
0
0
1
0
0
0
0
0
0
RXD2SEL TXD2SEL
than 10b
than 10b
than 10b
1
X
X
X
1
1
X
X
Other
Other
Other
X
X
X
X
X
0
0
0
U2SR0
Other than
Other than
Other than
Other than
Other than
X
X
X
2
0
0
001b
001b
001b
001b
001b
X
X
X
1
0
0
X
X
X
0
1
1
X
X
X
X
X
X
X
2
0
0
1
0
U2MR
SMD
1
X
X
X
X
X
X
1
0
1
1
X
0
X
X
X
X
X
X
0
1
0
1
0
0
X
U2SMR
IICM
X
X
X
X
X
X
X
X
1
1
TRAOSEL0
TRASR
Other than 01b
Other than 01b
Other than 01b
X
X
X
X
X
X
0
0
TRAIOC
TOENA
X
X
X
X
X
X
1
Input port
Output port
SDA
input/output
SSO input
SSO output
RXD2 input
SCL2 input/
output
TXD2
output
SDA2 input/
output
TRAO output
Function
7. I/O Ports
(2, 4)
(2, 4)
(2, 4)
(1)
(1)
(2)
(2, 3)
(1)
(2)
(2)