R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 270
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 237 of 723
18.2.5
18.2.6
Notes:
b7 to b0 Timer mode
b7 to b0 Timer mode
After Reset
After Reset
1. The values of registers TRBPR and TRBSC are reloaded to the counter alternately and counted.
2. The count value can be read out by reading the TRBPR register even when the secondary period is being
Bit
Bit
Address 010Ch
Address 010Dh
When the TSTOP bit in the TRBCR register is set to 1, the TRBPRE register is set to FFh.
counted.
When the TSTOP bit in the TRBCR register is set to 1, the TRBSC register is set to FFh.
To write to the TRBSC register, perform the following steps.
(1) Write the value to the TRBSC register.
(2) Write the value to the TRBPR register. (If the value does not change, write the same value second time.)
Symbol
Symbol
Programmable waveform generation
mode
Programmable one-shot generation
mode
Programmable wait one-shot
generation mode
Programmable waveform generation
mode
Programmable one-shot generation
mode
Programmable wait one-shot
generation mode
Bit
Bit
Timer RB Prescaler Register (TRBPRE)
Timer RB Secondary Register (TRBSC)
b7
b7
—
—
1
1
Mode
Mode
b6
b6
—
—
1
1
b5
—
b5
—
1
1
Disabled
Counts timer RB prescaler underflows
Disabled
Counts timer RB prescaler underflows
(one-shot width is counted)
Counts an internal count source or
timer RA underflows
b4
b4
—
—
1
1
b3
b3
—
—
1
1
Function
Function
b2
b2
—
—
1
1
b1
b1
—
—
1
1
(1)
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
Setting Range
Setting Range
b0
b0
—
—
1
1
18. Timer RB
W
W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
(2)
(2)
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