R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 66
![IC R8C MCU FLASH 8K 32LQFP](/photos/12/17/121761/r5f21102dfp_u0_sml.jpg)
R5F21102DFP#U0
Manufacturer Part Number
R5F21102DFP#U0
Description
IC R8C MCU FLASH 8K 32LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/10r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21102FPU0.pdf
(30 pages)
3.R5F21102FPU0.pdf
(201 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 66 of 201
- Download datasheet (2Mb)
R8C/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
Figure 11.2 WDC Register, WDTR Register, and WDTS Register
Watchdog timer reset register
W a t c h d o g t i m e r c o n t r o l r e g i s t e r
b7
Watchdog timer start register
b 7
b7
b 6
0
b 5
0
b 4
b 3
page 54 of 180
b 2
b 1
b0
b0
b0
The watchdog is initialized after a write instruction to this register.
The watchdog timer value is always initialized to “7FFF
whatever value is written.
B i t s y m b o l
The watchdog timer starts counting after a write instruction to this register.
( b 4 - b 0 )
W D C 7
( b 5 )
( b 6 )
Symbol
WDC
Symbol
Symbol
WDTR
WDTS
R e s e r v e d b i t
R e s e r v e d b i t
P r e s c a l e r s e l e c t b i t
H i g h - o r d e r b i t o f w a t c h d o g t i m e r
B i t n a m e
Address
Address
000F
Address
000D
000E
16
16
Function
16
Function
Indeterminate
Indeterminate
00011111
M u s t s e t t o “ 0 ”
0 : D i v i d e d b y 1 6
1 : D i v i d e d b y 1 2 8
M u s t s e t t o “ 0 ”
After reset
After reset
After reset
2
16
F u n c t i o n
” regardless of
11. Watchdog Timer
RW
RW
RW
RW
RW
WO
RO
RW
WO
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