R5F21217JFP#U0 Renesas Electronics America, R5F21217JFP#U0 Datasheet - Page 101
R5F21217JFP#U0
Manufacturer Part Number
R5F21217JFP#U0
Description
IC R8C/20 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
Specifications of R5F21217JFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
For Use With
R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21217JFP#U0R5F21217JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21217JFP#U0R5F21217JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
135
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R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 10.13
Table 10.6
Oscillation Stop Detection
((a) or (b))
Watchdog Timer
Voltage Monitor 2
Generated Interrupt Source
Voltage Monitor 1, and Voltage Monitor 2 Interrupts
Procedure for Switching Clock Source from Low-Speed On-Chip Oscillator to XIN
Clock
Determining Interrupt Source for Oscillation Stop Detection, Watchdog Timer,
No
Page 83 of 458
Set OCD1 to OCD0 bits to 00b
(a) OCD3 bit in OCD register = 1
(b) OCD1 to OCD0 bits in OCD register = 11b and the OCD2 bit = 1
VW2C3 bit in VW2C register = 1
VW2C2 bit in VW2C register = 1
that the OCD bit is 0 (XIN clock
Determine several times
Switch to XIN clock
(select XIN Clock)
Set OCD2 bit to 0
oscillates)
End
Yes
Bit Showing Interrupt Cause
OCD3 to OCD0 bits: Bits in OCD register
10. Clock Generation Circuit
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