R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 72
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 39 of 723
Figure 6.1
VCC
Voltage Detection Circuit Block Diagram
VDSEL1 to VDSEL0
VD1S3 to VD1S0
(16 levels)
Selection
(4 levels)
Selection
Circuit
Circuit
Level
Level
reference
Internal
voltage
VCA26
VCA27
VCA25
+
+
+
-
-
-
≥ Vdet2
≥ Vdet0
≥ Vdet1
VCA13: Bit in VCA1 register
VCA25, VCA26, VCA27: Bits in VCA2 register
VW1C3: Bit in VW1C register
VD1S0 to VD1S3: Bits in VD1LS register
VDSEL0, VDSEL1: Bits in OFS register
Voltage detection 0 signal
Voltage detection 1 signal
Voltage detection 2 signal
6. Voltage Detection Circuit
VW1C register
VCA1 register
VW1C3 bit
VCA13 bit
b3
b3
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