R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 11

• 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: -

6.
7.
5.7
5.8
6.1
6.2
6.3
6.4
6.5
6.6
7.1
7.2
7.3
7.4
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
6.2.8
6.2.9
6.3.1
6.3.2
6.3.3
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.4.6
7.4.7
7.4.8
7.4.9
7.4.10
7.4.11
7.4.12
7.4.13
7.4.14
7.4.15
7.4.16
7.4.17
7.4.18
7.4.19
7.4.20
7.4.21
Voltage Detection Circuit .............................................................................................................. 38
I/O Ports ........................................................................................................................................ 56
Cold Start-Up/Warm Start-Up Determination Function ......................................................................... 37
Reset Source Determination Function ..................................................................................................... 37
Overview ................................................................................................................................................. 38
Registers .................................................................................................................................................. 42
VCC Input Voltage .................................................................................................................................. 50
Voltage Monitor 0 Reset ......................................................................................................................... 51
Voltage Monitor 1 Interrupt .................................................................................................................... 52
Voltage Monitor 2 Interrupt .................................................................................................................... 54
Functions of I/O Ports ............................................................................................................................. 56
Effect on Peripheral Functions ................................................................................................................ 57
Pins Other than I/O Ports ......................................................................................................................... 57
Registers .................................................................................................................................................. 73
Voltage Monitor Circuit Control Register (CMPA) ........................................................................... 42
Voltage Monitor Circuit Edge Select Register (VCAC) .................................................................... 43
Voltage Detect Register 1 (VCA1) ..................................................................................................... 43
Voltage Detect Register 2 (VCA2) ..................................................................................................... 44
Voltage Detection 1 Level Select Register (VD1LS) ......................................................................... 45
Voltage Monitor 0 Circuit Control Register (VW0C) ........................................................................ 46
Voltage Monitor 1 Circuit Control Register (VW1C) ........................................................................ 47
Voltage Monitor 2 Circuit Control Register (VW2C) ........................................................................ 48
Option Function Select Register (OFS) .............................................................................................. 49
Monitoring Vdet0 ............................................................................................................................... 50
Monitoring Vdet1 ............................................................................................................................... 50
Monitoring Vdet2 ............................................................................................................................... 50
Port Pi Direction Register (PDi) (i = 0 to 4 or 6) ................................................................................ 73
Port Pi Register (Pi) (i = 0 to 4 or 6) ................................................................................................... 74
Timer RA Pin Select Register (TRASR) ............................................................................................ 75
Timer RB/RC Pin Select Register (TRBRCSR) ................................................................................. 75
Timer RC Pin Select Register 0 (TRCPSR0) ..................................................................................... 76
Timer RC Pin Select Register 1 (TRCPSR1) ..................................................................................... 77
Timer RD Pin Select Register 0 (TRDPSR0) ..................................................................................... 78
Timer RD Pin Select Register 1 (TRDPSR1) ..................................................................................... 78
Timer Pin Select Register (TIMSR) ................................................................................................... 79
UART0 Pin Select Register (U0SR) ................................................................................................... 80
UART1 Pin Select Register (U1SR) ................................................................................................... 80
UART2 Pin Select Register 0 (U2SR0) .............................................................................................. 81
UART2 Pin Select Register 1 (U2SR1) .............................................................................................. 81
SSU/IIC Pin Select Register (SSUIICSR) .......................................................................................... 82
INT Interrupt Input Pin Select Register (INTSR) ............................................................................... 83
I/O Function Pin Select Register (PINSR) ......................................................................................... 84
Pull-Up Control Register 0 (PUR0) .................................................................................................... 85
Pull-Up Control Register 1 (PUR1) .................................................................................................... 85
Port P1 Drive Capacity Control Register (P1DRR) ............................................................................ 86
Port P2 Drive Capacity Control Register (P2DRR) ............................................................................ 86
Drive Capacity Control Register 0 (DRR0) ........................................................................................ 87
A - 2