R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 123
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 90 of 723
7.4.24
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 01F6h
The VLT1 register selects the voltage level of the input threshold values for ports P4_2 to P4_7, and P6. Bits
VLT10 and VLT11, VLT14 and VLT15 are used to select the input threshold values among three voltage levels
(0.35 VCC, 0.50 VCC, and 0.70 VCC).
Symbol
Symbol
VLT10
VLT11
VLT14
VLT15
Bit
Input Threshold Control Register 1 (VLT1)
—
—
—
—
b7
—
0
P4_2 to P4_7 input level select bit
Reserved bits
P6 input level select bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
b6
—
0
Bit Name
VLT15
b5
0
VLT14
b4
0
b1 b0
Set to 0.
b5 b4
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
b2
—
0
Function
VLT11
b1
0
VLT10
b0
0
7. I/O Ports
R/W
R/W
R/W
R/W
R/W
R/W
—
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