R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 14

• 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: -

12.
13.
14.
15.
11.8
12.1
12.2
12.3
12.4
12.5
13.1
13.2
13.3
14.1
14.2
14.3
15.1
15.2
11.8.1
11.8.2
11.8.3
11.8.4
11.8.5
12.5.1
13.2.1
13.2.2
13.3.1
14.2.1
14.2.2
14.2.3
14.2.4
14.2.5
14.2.6
14.2.7
14.3.1
14.3.2
14.3.3
15.2.1
15.2.2
15.2.3
15.2.4
15.2.5
15.2.6
15.2.7
15.2.8
ID Code Areas ............................................................................................................................ 177
Option Function Select Area ....................................................................................................... 181
Watchdog Timer ......................................................................................................................... 185
DTC ............................................................................................................................................ 194
Notes on Interrupts ................................................................................................................................ 174
Overview ............................................................................................................................................... 177
Functions ............................................................................................................................................... 178
Forced Erase Function ........................................................................................................................... 179
Standard Serial I/O Mode Disabled Function ....................................................................................... 179
Notes on ID Code Areas ........................................................................................................................ 180
Overview ............................................................................................................................................... 181
Registers ................................................................................................................................................ 182
Notes on Option Function Select Area .................................................................................................. 184
Overview ............................................................................................................................................... 185
Registers ................................................................................................................................................ 187
Overview ............................................................................................................................................... 194
Registers ................................................................................................................................................ 195
Functional Description ......................................................................................................................... 191
Reading Address 00000h .................................................................................................................. 174
SP Setting .......................................................................................................................................... 174
External Interrupt and Key Input Interrupt ....................................................................................... 174
Changing Interrupt Sources .............................................................................................................. 175
Rewriting Interrupt Control Register ................................................................................................ 176
Setting Example of ID Code Areas ................................................................................................... 180
Option Function Select Register (OFS) ............................................................................................ 182
Option Function Select Register 2 (OFS2) ....................................................................................... 183
Setting Example of Option Function Select Area ............................................................................. 184
Processor Mode Register 1 (PM1) .................................................................................................... 187
Watchdog Timer Reset Register (WDTR) ........................................................................................ 187
Watchdog Timer Start Register (WDTS) ......................................................................................... 187
Watchdog Timer Control Register (WDTC) .................................................................................... 188
Count Source Protection Mode Register (CSPR) ............................................................................. 188
Option Function Select Register (OFS) ............................................................................................ 189
Option Function Select Register 2 (OFS2) ....................................................................................... 190
Common Items for Multiple Modes ................................................................................................. 191
Count Source Protection Mode Disabled .......................................................................................... 192
Count Source Protection Mode Enabled ........................................................................................... 193
DTC Control Register j (DTCCRj) (j = 0 to 23) ............................................................................... 196
DTC Block Size Register j (DTBLSj) (j = 0 to 23) .......................................................................... 196
DTC Transfer Count Register j (DTCCTj) (j = 0 to 23) ................................................................... 197
DTC Transfer Count Reload Register j (DTRLDj) (j = 0 to 23) ...................................................... 197
DTC Source Address Register j (DTSARj) (j = 0 to 23) .................................................................. 197
DTC Destination Address Register j (DTDARj) (j = 0 to 23) .......................................................... 197
DTC Activation Enable Register i (DTCENi) (i = 0 to 6) ................................................................ 198
DTC Activation Control Register (DTCTL) .................................................................................... 199
A - 5