R5F212B7SNFP#U0 Renesas Electronics America, R5F212B7SNFP#U0 Datasheet - Page 141

• Manufacturer Part Number: R5F212B7SNFP#U0
• Description: IC R8C/2B MCU FLASH 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/2Br

Specifications of R5F212B7SNFP#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: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K 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: -

R8C/2A Group, R8C/2B Group
Rev.2.00
REJ09B0324-0200
Figure 10.18
Set OCD1 bit to 0 (oscillation stop
Interrupt sources judgement
To oscillation stop detection
detection interrupt disabled).
NOTE:
(XIN clock stopped)
OCD1 to OCD3: Bits in OCD register
VW2C2, VW2C3: Bits in VW2C register
interrupt routine
1. This disables multiple oscillation stop detection interrupts.
OCD3 = 1 ?
Nov 26, 2007
YES
Example of Determining Interrupt Source for Oscillation Stop Detection, Watchdog
Timer, Voltage Monitor 1, or Voltage Monitor 2 Interrupt
(1)
NO
interrupt enabled) and OCD2 = 1
(on-chip oscillator clock selected
Page 119 of 580
(oscillation stop detection
as system clock) ?
OCD1 = 1
YES
NO
To watchdog timer
(Watchdog timer
interrupt routine
VW2C3 = 1 ?
underflow)
YES
NO
To voltage monitor 2
(passing Vdet2)
interrupt routine
VW2C2 = 1 ?
YES
10. Clock Generation Circuit
NO
To voltage monitor 1
interrupt routine