R5F21257SYFP#U0 Renesas Electronics America, R5F21257SYFP#U0 Datasheet - Page 241
![MCU 2KB FLASH 48K 52-LQFP](/photos/28/61/286101/52-lqfp_sml.jpg)
R5F21257SYFP#U0
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
-
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 14.70
Figure 14.71
Timer RD PWM Mode Output Level Control Register i (i = 0 or 1)
Timer RD Counter i (i = 0 or 1)
(b15)
b7 b6 b5 b4 b3 b2
b7
NOTE:
1.
Access the TRDi register in 16-bit units. Do not access it in 8-bit units.
Feb 29, 2008
Registers TRD0 to TRD1 in PWM Mode
Registers TRDPOCR0 to TRDPOCR1 in PWM Mode
b1 b0
(b8)
b0
b7
Count a count source. Count operation is incremented.
When an overflow occurs, the OVF bit in the TRDSRi register is set to 1.
TRDPOCR0
TRDPOCR1
Bit Symbol
(b7-b3)
Symbol
POLB
POLC
POLD
Page 222 of 485
—
(1)
PWM mode output level control bit
B
PWM mode output level control bit
C
PWM mode output level control bit
D
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
b0
Symbol
TRD0
TRD1
Address
Bit Name
0145h
0155h
Function
0147h-0146h
0157h-0156h
0 : “L” active TRDIOBi output level is
1 : “H” active TRDIOBi output level is
0 : “L” active TRDIOCi output level is
1 : “H” active TRDIOCi output level is
0 : “L” active TRDIODi output level is
1 : “H” active TRDIODi output level is
Address
selected
selected
selected
selected
selected
selected
After Reset
11111000b
11111000b
Function
0000h to FFFFh
Setting Range
After Reset
0000h
0000h
14. Timers
RW
RW
RW
RW
RW
RW
—
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