R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 165
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 132 of 723
9.6.7
9.6.8
9.6.9
9.6.10
fOCO-S is an operating clock for the voltage detection circuit.
This clock is generated by the low-speed on-chip oscillator and supplied by setting the CM14 bit to 0 (low-
speed on-chip oscillator on).
In wait mode, the fOCO-S clock does not stop.
fOCO128 is a clock generated by dividing fOCO-S or fOCO-F by 128. When the FRA03 bit is set to 0, fOCO-
S divided by 128 is selected. When this bit is set to 1, fOCO-F divided by 128 is selected.
fOCO128 is configured as the capture signal used in the TRCGRA register for timer RC and timer RD0 for
timer RD.
fC, fC2, fC4, and fC32 are used for timers RA, RD, RE, and the serial interface.
Use theses clocks while the XCIN clock oscillation stabilizes.
fOCO-WDT is an operating clock for the watchdog timer.
This clock is generated by the low-speed on-chip oscillator for the watchdog timer and supplied by setting the
CSPRO bit in the CSPR register to 1 (count source protect mode enabled).
In count source protection mode for the watchdog timer, the fOCO-WDT clock does not stop.
fOCO-S
fOCO128
fC, fC2, fC4, and fC32
fOCO-WDT
9. Clock Generation Circuit
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