参数资料
型号: RFPIC12F675K-E/SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO20
封装: 0.209 INCH, PLASTIC, MO-150, SSOP-20
文件页数: 93/123页
文件大小: 5438K
代理商: RFPIC12F675K-E/SS
2003 Microchip Technology Inc.
Preliminary
DS70091A-page 69
rfPIC12F675
FIGURE 10-12:
WATCHDOG TIMER BLOCK DIAGRAM
TABLE 10-9:
SUMMARY OF WATCHDOG TIMER REGISTERS
10.7
ID Locations
Four memory locations (2000h-2003h) are designated
as ID locations where the user can store checksum or
other code identification numbers. These locations are
not accessible during normal execution but are
readable and writable during Program/Verify. Only the
Least Significant 7 bits of the ID locations are used.
10.8
Code Protection
If
the
code
protection
bit(s)
have
not
been
programmed, the on-chip program memory can be
read out for verification purposes.
T0CKI
T0SE
pin
CLKOUT
TMR0
Watchdog
Timer
WDT
Time-out
PS0 - PS2
WDTE
Data Bus
Set Flag bit T0IF
on Overflow
T0CS
Note 1: T0SE, T0CS, PSA, PS0-PS2 are bits in the Option register.
0
1
0
1
0
1
SYNC 2
Cycles
8
8-bit
Prescaler
0
1
(= F
OSC/4)
PSA
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOD
Value on all
other
RESETS
81h
OPTION_REG GPPU INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111 1111 1111
2007h
Config. bits
CP
BODEN
MCLRE PWRTE WDTE
F0SC2
F0SC1
F0SC0
uuuu uuuu uuuu uuuu
Legend: u = Unchanged, shaded cells are not used by the Watchdog Timer.
Note:
The entire data EEPROM and FLASH
program memory will be erased when the
code protection is turned off. The INTOSC
calibration data is also erased. See
rfPIC12F675 Programming Specification
for more information.
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