R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 122
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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- Current page: 122 of 759
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 89 of 723
7.4.23
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 01F5h
The VLT0 register selects the voltage level of the input threshold values for ports P0 to P3. Bits VLT00 to
VLT07 are used to select the input threshold values among three voltage levels (0.35 VCC, 0.50 VCC, and 0.70
VCC) for every eight pins.
Symbol
Symbol
VLT00
VLT01
VLT02
VLT03
VLT04
VLT05
VLT06
VLT07
Bit
Input Threshold Control Register 0 (VLT0)
VLT07
b7
0
P0 input level select bit
P1 input level select bit
P2 input level select bit
P3 input level select bit
VLT06
b6
0
Bit Name
VLT05
b5
0
VLT04
b4
0
b1 b0
b3 b2
b5 b4
b7 b6
VLT03
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
b3
0
VLT02
b2
0
Function
VLT01
b1
0
VLT00
b0
0
7. I/O Ports
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
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