R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 261

• Manufacturer Part Number: R5F2121AJFP#U0
• Description: MCU FLASH 96K 5K CMOS 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F2121AJFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 14.103 TRDCR0 Register in PWM3 Mode
Timer RD Control Register i (i = 0 or 1)
b7 b6 b5 b4
NOTES:
0 0 1
1.
2.
This bit is enabled w hen the TCK2 to TCK0 bits are set to 101b (TRDCLK input) and the STCLK bit in the TRDFCR
register is set to 1 (external clock input enabled).
The TRDCR1 register is not used in PWM3 mode.
b3 b2
b1 b0
Bit Symbol
TRDCR0
Symbol
CKEG0
CKEG1
CCLR0
CCLR1
CCLR2
TCK0
TCK1
TCK2
Page 243 of 458
Count source selection bit
External clock edge selection
bit
TRD0 counter clear selection bit
(1)
(2)
Address
Bit Name
0140h
b2 b1b0
0 0 0 : f1
0 0 1 : f2
0 1 0 : f4
0 1 1 : f8
1 0 0 : f32
1 0 1 : Do not set
1 1 0 : fOCO40M
1 1 1 : Do not set
This bit is disabled in PWM3 mode.
Set to 001b (the TRD0 register clear at the
compare match w ith TRDGRA0 register) in
PWM3 mode.
After Reset
Function
00h
14. Timers
RW
RW
RW
RW
RW
RW
RW
RW
RW