R5F21257SYFP#U0 Renesas Electronics America, R5F21257SYFP#U0 Datasheet - Page 267

• Manufacturer Part Number: R5F21257SYFP#U0
• Description: MCU 2KB FLASH 48K 52-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SYFP#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: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 105°C
• Package / Case: 52-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 14.96
Bits TSTART0 and TSTART1
in TRDSTR register
TRDGRB0 register
TRDGRD0 register
TRDSR1 register
TRDSR0 register
TRDSR0 register
TRDIOD0 output
TRDIOC0 output
TRDIOB0 output
Feb 29, 2008
IMFA bit in
IMFB bit in
UDF bit in
Count source
Value in TRDi register
Operating Example of Complementary PWM Mode
0000h
m+1
CMD0, CMD1: Bits in TRDFCR register
i = 0 or 1
The above applies under the following conditions:
Bits OLS1 and OLS0 in TRDFCR are set to 0 (initial output level “H”, active level “L” for normal-phase and counter-phase)
1
0
1
0
1
0
1
0
m
n
p
Initial output “H”
Initial output “H”
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Transfer (when bits CMD1 to CMD0 are set to 11b)
Active level “L”
n+1
n
n+1-p
m+2-p
n
p
m-p-n+1
phase active level
Set to 0 by a program
Width of normal-
(m-p-n+1) × 2
Set to 0 by a program
Dead
time
p
m: Value set in TRDGRA0 register
n: Value set in TRDGRB0 register
p: Value set in TRD0 register
Width of counter-phase active level
Transfer (when bits CMD1 to CMD0
are set to 10b)
Value in TRD0 register
n
Value in TRD1 register
Modify with a program
(n+1-p) × 2
Following data
n+1-p
Set to 0 by a program
FFFFh
Set to
14. Timers