R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 451
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 418 of 723
Table 21.2
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
Item
Real-Time Clock Mode Specifications
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, fC, f4, f8 or, 1Hz
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
• TREO pin select function
P0_4 or P6_0 is selected by the TREOSEL0 bit in the TIMSR register.
Specification
21. Timer RE
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