R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 266

• 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 14.108 Operating Example of PWM3 Mode
TRDGRA0 register
TRDGRC0 register
TRDSTR register
TRDSTR register
TRDSR0 register
TRDSR0 register
TRDIOA0 output
TRDIOB0 output
TSTART0 bit in
CSEL0 bit in
IMFA bit in
IMFB bit in
Count source
j = either A or B
The above applies to the following conditions:
• Both the TOA0 and TOB0 bits in the TRDOCR register are set to 0 (initial output level “L”, output “H” by the compare match in the
• The BFC0 bit in the TRDMR register is set to 1 (the TRDGRC0 register is used as the buffer register of the TRDGRA0 register).
TRDGRj1 register, output “L” by the compare match in the TRDGRj0 register)
Value in TRD0 register
FFFFh
0000h
m
n
p
q
1
0
1
0
1
0
1
0
Initial output “L”
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compare match in the
TRDGRA1 register
Output “H” by the
Set to 0 by a program
m
match in the TRDGRA0 register
Output “L” by the compare
m
Transfer from the buffer register
to general register
Set to 0 by a program
q + 1
Transfer
p + 1
n + 1
Set to 0 by a program
p - q
m + 1
Set to 0 by a program
m: Setting value in TRDGRA0 register
n: Setting value in TRDGRA1 register
p: Setting value in TRDGRB0 register
q: Setting value in TRDGRB1 register
m
Following data
Transfer from the buffer register
m - n
to general register
Set to 0 by a program
Count stop
Transfer
14. Timers