R5F212A8SNFA#U0 Renesas Electronics America, R5F212A8SNFA#U0 Datasheet - Page 69
![IC R8C/2A MCU FLASH 64K 64-LQFP](/photos/12/37/123762/r5f212a8sbfa_u0_sml.jpg)
R5F212A8SNFA#U0
Manufacturer Part Number
R5F212A8SNFA#U0
Description
IC R8C/2A MCU FLASH 64K 64-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/2Ar
Specifications of R5F212A8SNFA#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
55
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
64-LQFP
For Use With
R0K5212D8S001BE - KIT STARTER FOR R8C/2DR0K5212D8S000BE - KIT DEV FOR R8C/2D
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F212A8SNFA#U0R5F212A8SNFA#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/2A Group, R8C/2B Group
Rev.2.00
REJ09B0324-0200
Figure 6.7
Voltage Monitor 1 Circuit Control Register
b7 b6 b5 b4
NOTES:
1.
2.
3.
4.
5.
6.
7.
8.
9. When the VW1C6 bit is set to 1 (voltage monitor 1 reset mode), set the VW1C7 bit to 1 (w hen VCC reaches Vdet1 or
Set the PRC3 bit in the PRCR register to 1 (rew rite enable) before w riting to the VW1C register.
To use the voltage monitor 1 interrupt to exit stop mode and to return again, w rite 0 to the VW1C1 bit before w riting
1.
Bits VW1C2 and VW1C3 are enabled w hen the VCA26 bit in the VCA2 register is set to 1 (voltage detection 1 circuit
enabled).
Set this bit to 0 by a program. When 0 is w ritten by a program, it is set to 0 (and remains unchanged even if 1 is
w ritten to it).
The VW1C6 bit is enabled w hen the VW1C0 bit is set to 1 (voltage monitor 1 interrupt/enabled reset).
The VW1C0 bit is enabled w hen the VCA26 bit in the VCA2 register is set to 1 (voltage detection 1 circuit enabled).
Set the VW1C0 bit to 0 (disable) w hen the VCA26 bit is set to 0 (voltage detection 1 circuit disabled).
The VW1C7 bit is enabled w hen the VW1C1 bit is set to 1 (digital filter disabled mode).
Bits VW1C2 and VW1C3 remain unchanged after a softw are reset, w atchdog timer reset, voltage monitor 1 reset,
or voltage monitor 2 reset.
below ). (Do not set to 0.)
Nov 26, 2007
b3
b2
VW1C Register
b1 b0
Bit Symbol
VW1C0
VW1C2
VW1C3
VW1C6
VW1C7
VW1C1
VW1F0
VW1F1
Symbol
VW1C
Page 47 of 580
Voltage monitor 1 interrupt/reset
enable bit
Voltage monitor 1 digital filter
disable mode select bit
Voltage change detection
flag
Voltage detection 1 signal monitor
flag
Sampling clock select bits
Voltage monitor 1 circuit mode
select bit
Voltage monitor 1 interrupt/reset
generation condition select bit
(3, 4, 8)
(3, 8)
(5)
(6)
(1)
Address
Bit Name
0036h
(2)
(7, 9)
b5 b4
0 0 : fOCO-S divided by 1
0 1 : fOCO-S divided by 2
1 0 : fOCO-S divided by 4
1 1 : fOCO-S divided by 8
0 : Disable
1 : Enable
0 : Digital filter enabled mode
1 : Digital filter disabled mode
0 : Not detected
1 : Vdet1 crossing detected
0 : VCC < Vdet1
1 : VCC ≥ Vdet1 or voltage detection 1
0 : Voltage monitor 1 interrupt mode
1 : Voltage monitor 1 reset mode
0 : When VCC reaches Vdet1 or above
1 : When VCC reaches Vdet1 or below
circuit disabled
(digital filter circuit enabled)
(digital filter circuit disabled)
After Reset
00001000b
Function
6. Voltage Detection Circuit
(8)
RW
RW
RW
RW
RW
RW
RW
RW
RO
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