R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 74

MCU 1KB FLASH 16K ROM 32-LQFP

R5F21334CNFP#U0

Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet

Specifications of R5F21334CNFP#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
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K 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
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 44 of 589
6.2.5
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0036h
Symbol
Set the PRC3 bit in the PRCR register to 1 (write enabled) before rewriting the VD1LS register.
Bit
Symbol
VD1S0
VD1S1
VD1S2
VD1S3
Voltage Detection 1 Level Select Register (VD1LS)
b7
0
Voltage detection 1 level select bit
(Reference voltage when the voltage falls)
Reserved bits
b6
0
Bit Name
b5
0
b4
0
VD1S3
b3
0
Set to 0.
b3 b2 b1 b0
0 0 0 0: 2.20 V
0 0 0 1: 2.35 V
0 0 1 0: 2.50 V
0 0 1 1: 2.65 V
0 1 0 0: 2.80 V
0 1 0 1: 2.95 V
0 1 1 0: 3.10 V
0 1 1 1: 3.25 V
1 0 0 0: 3.40 V
1 0 0 1: 3.55 V
1 0 1 0: 3.70 V
1 0 1 1: 3.85 V
1 1 0 0: 4.00 V
1 1 0 1: 4.15 V
1 1 1 0: 4.30 V
1 1 1 1: 4.45 V
VD1S2
b2
1
VD1S1
b1
1
(Vdet1_0)
(Vdet1_1)
(Vdet1_2)
(Vdet1_3)
(Vdet1_4)
(Vdet1_5)
(Vdet1_6)
(Vdet1_7)
(Vdet1_8)
(Vdet1_9)
(Vdet1_A)
(Vdet1_B)
(Vdet1_C)
(Vdet1_D)
(Vdet1_E)
(Vdet1_F)
Function
VD1S0
6. Voltage Detection Circuit
b0
1
R/W
R/W
R/W
R/W
R/W
R/W

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