R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 41

• Manufacturer Part Number: R5F21102DFP#U0
• Description: IC R8C MCU FLASH 8K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/10r

Specifications of R5F21102DFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
Figure 6.6 Switching Clock Source From On-Chip Oscillator to Main Clock
Table 6.5 Determination of Interrupt Factor of Oscillation Stop Detection
Oscillation stop detection
( (a) or (b) )
Generated Interrupt Factor
page 29 of 180
(oscillation stop detection function disabled)
Set OCD1 to OCD0 bits to 00
Determine several times
(selecting main clock)
Switch to Main clock
Set OCD2 bit to 0
Verify OCD3 bit
End
0(main clock oscillating)
Determine several times that the main clock is supplied
(a) The OCD3 bit in the OCD register = 1
(b) The OCD1 to OCD0 bits in the OCD register = 11
OCD2 bit = 1
2
1(main clock stop)
OCD3 to OCD0 bits: Bits in OCD register
Bit showing interrupt factor
6.5 Oscillation Stop Detection Function
2
and the