R5F21272SNFP#U0 Renesas Electronics America, R5F21272SNFP#U0 Datasheet - Page 244

IC R8C/27 MCU FLASH 32LQFP

R5F21272SNFP#U0

Manufacturer Part Number
R5F21272SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet

Specifications of R5F21272SNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Table 14.25
Count source
Count operation
Count start condition
Count stop condition
Interrupt request
generation timing
TREO pin function
Read from timer
Write to timer
Select function
Sep 26, 2008
Item
Specifications of Real-Time Clock Mode
Page 225 of 453
fC4
Increment
1 (count starts) is written to TSTART bit in TRECR1 register
0 (count stops) is written to TSTART bit in TRECR1 register
Select any one of the following:
• Update second data
• Update minute data
• Update hour data
• Update day of week data
• When day of week data is set to 000b (Sunday)
Programmable I/O ports or output of f2, f4, or f8
When reading TRESEC, TREMIN, TREHR, or TREWK register, the count
value can be read. The values read from registers TRESEC, TREMIN, and
TREHR are represented by the BCD code.
When bits TSTART and TCSTF in the TRECR1 register are set to 0 (timer
stops), the value can be written to registers TRESEC, TREMIN, TREHR,
and TREWK. The values written to registers TRESEC, TREMIN, and
TREHR are represented by the BCD codes.
• 12-hour mode/24-hour mode switch function
Specification
14. Timers

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