R5F21257SYFP#U0 Renesas Electronics America, R5F21257SYFP#U0 Datasheet - Page 302
![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 14.128 TRECSR Register in Output Compare Mode
Timer RE Count Source Select Register
b7 b6 b5 b4
NOTE:
1.
Write to bits RCS5 to RCS6 w hen the TOENA bit in the TRECR1 register is set to 0 (disable clock output).
Feb 29, 2008
b3 b2
0
b1 b0
Bit Symbol
TRECSR
Symbol
RCS0
RCS2
RCS3
RCS6
RCS1
RCS5
(b4)
(b7)
Page 283 of 485
—
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Count source select bits
4-bit counter select bit
Real-time clock mode select bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Clock output select bits
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Address
Bit Name
011Eh
(1)
b1 b0
0 0 : f4
0 1 : f8
1 0 : f32
1 1 : fC4
b6 b5
0 0 : f2
0 1 : f4
1 0 : f8
1 1 : Compare output
0 : Not used
1 : Used
Set to 0 in output compare mode.
After Reset
00001000b
Function
14. Timers
RW
RW
RW
RW
RW
RW
RW
—
—
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