R5F212A8SNFP#U0 Renesas Electronics America, R5F212A8SNFP#U0 Datasheet - Page 140
R5F212A8SNFP#U0
Manufacturer Part Number
R5F212A8SNFP#U0
Description
IC R8C/2A MCU FLASH 64LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/2Ar
Specifications of R5F212A8SNFP#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
-
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R8C/2A Group, R8C/2B Group
Rev.2.00
REJ09B0324-0200
Figure 10.17
Table 10.6
Oscillation stop detection
((a) or (b))
Watchdog timer
Voltage monitor 1
Voltage monitor 2
Generated Interrupt Source
Nov 26, 2007
Determining Interrupt Source for Oscillation Stop Detection, Watchdog Timer,
Voltage Monitor 1, and Voltage Monitor 2 Interrupts
Procedure for Switching Clock Source from Low-Speed On-Chip Oscillator to XIN
Clock
Page 118 of 580
NO
(a) OCD3 bit in OCD register = 1
(b) OCD1 to OCD0 bits in OCD register = 11b and OCD2 bit = 1
VW2C3 bit in VW2C register = 1
VW1C2 bit in VW1C register = 1
VW2C2 bit in VW2C register = 1
Set OCD1 to OCD0 bits to 00b
that OCD3 bit is set to 0 (XIN
Multiple confirmations
Switch to XIN clock
clock oscillates) ?
Set OCD2 bit to 0
(select XIN clock)
End
YES
Bit Showing Interrupt Cause
OCD3 to OCD0: Bits in OCD register
10. Clock Generation Circuit
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