R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 76
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 43 of 723
6.2.2
Notes:
6.2.3
Note:
After Reset
1. When the VCAC1 bit is set to 0 (one edge), the VW1C7 bit in the VW1C register is enabled. Set the VW1C7 bit
2. When the VCAC2 bit is set to 0 (one edge), the VW2C7 bit in the VW2C register is enabled. Set the VW2C7 bit
After Reset
1. When the VCA27 bit in the VCA2 register is set to 1 (voltage detection 2 circuit enabled), the VCA13 bit is
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0031h
Address 0033h
after setting the VCAC1 bit to 0.
after setting the VCAC2 bit to 0.
enabled.
When the VCA27 bit in the VCA2 register is set to 0 (voltage detection 2 circuit disabled), the VCA13 bit is set to
1 (VCC
Symbol
Symbol
Symbol
VCAC1 Voltage monitor 1 circuit edge select bit
VCAC2 Voltage monitor 2 circuit edge select bit
Symbol
VCA13 Voltage detection 2 signal monitor flag
Bit
Bit
Voltage Monitor Circuit Edge Select Register (VCAC)
Voltage Detect Register 1 (VCA1)
—
—
—
—
—
—
—
—
—
—
—
—
—
≥
Vdet2).
b7
b7
—
—
0
0
Reserved bits
Reserved bits
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
b6
b6
—
—
0
0
Bit Name
Bit Name
b5
—
b5
—
0
0
b4
b4
—
—
0
0
(1)
VCA13
(1)
(2)
b3
b3
—
0
1
Set to 0.
0: VCC
1: VCC
Set to 0.
0: One edge
1: Both edges
0: One edge
1: Both edges
or voltage detection 2 circuit disabled
VCAC2
<
≥
b2
b2
—
Vdet2
Vdet2
0
0
VCAC1
Function
Function
b1
b1
—
0
0
6. Voltage Detection Circuit
b0
b0
—
—
0
0
R/W
R/W
R/W
R/W
R/W
R/W
—
—
R
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