R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 204

• Manufacturer Part Number: R5F21238DFP#U0
• Description: IC R8C/23 MCU FLASH 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/23r

Specifications of R5F21238DFP#U0

• Core Size: 16/32-Bit
• Program Memory Size: 64KB (64K x 8)
• Peripherals: POR, Voltage Detect, WDT
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: CAN, I²C, LIN, SIO, SSU, UART/USART
• Number Of I /o: 41
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• No. Of I/o's: 41
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Embedded Interface Type: CAN, I2C, UART
• Rohs Compliant: Yes
• Cpu Family: R8C
• Device Core Size: 16b
• Frequency (max): 20MHz
• Interface Type: I2C/UART
• Total Internal Ram Size: 3KB
• # I/os (max): 41
• Number Of Timers - General Purpose: 5
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• On-chip Adc: 12-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 14.34
Timer RD Start Register
Timer RD Mode Register
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
1.
Set the TRDSTR register using the MOV instruction (do not use the bit handling instruction). Refer to 14.3.12.1
TRDSTR Register of Notes on Tim er RD.
b3 b2
b3 b2
1 1
Registers TRDSTR and TRDMR in Input Capture Function
b1 b0
b1 b0
Bit Symbol
Bit Symbol
TSTART0
TSTART1
(b7 - b4)
(b3 - b1)
TRDSTR
Symbol
Symbol
TRDMR
CSEL0
CSEL1
SYNC
BFC0
BFD0
BFC1
BFD1
Page 182 of 501
(1)
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TRD0 count start flag
TRD1 count start flag
TRD0 count operation select bit
TRD1 count operation select bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
Timer RD synchronous bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
TRDGRC0 register function
selection bit
TRDGRD0 register function
selection bit
TRDGRC1 register function
selection bit
TRDGRD1 register function
selection bit
Address
Bit Name
Address
Bit Name
0138h
0137h
0 : TRD0 and TRD1 registers
1 : TRD0 and TRD1 registers
0 : General register
1 : Buffer register of TRDGRA0 register
0 : General register
1 : Buffer register of TRDGRB0 register
0 : General register
1 : Buffer register of TRDGRA1 register
0 : General register
1 : Buffer register of TRDGRB1 register
0 : Count stops
1 : Count starts
0 : Count stops
1 : Count starts
Set to 1 in the input capture function
Set to 1 in the input capture function
operate independently
operate synchronously
After Reset
00001110b
After Reset
11111100b
Function
Function
14. Timers
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
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