參數(shù)資料
型號(hào): PIC10F202T
廠商: Microchip Technology Inc.
英文描述: 6-Pin, 8-Bit Flash Microcontrollers
中文描述: 6引腳,8位閃存微控制器
文件頁(yè)數(shù): 43/86頁(yè)
文件大小: 620K
代理商: PIC10F202T
2005 Microchip Technology Inc.
Preliminary
DS41239B-page 41
PIC10F200/202/204/206
9.0
SPECIAL FEATURES OF THE
CPU
What sets a microcontroller apart from other proces-
sors are special circuits that deal with the needs of real-
time
applications.
The
microcontrollers have a host of such features intended
to maximize system reliability, minimize cost through
elimination of external components, provide power-
saving operating modes and offer code protection.
These features are:
Reset:
- Power-on Reset (POR)
- Device Reset Timer (DRT)
- Watchdog Timer (WDT)
- Wake-up from Sleep on pin change
- Wake-up from Sleep on comparator change
Sleep
Code Protection
ID Locations
In-Circuit Serial Programming
Clock Out
PIC10F200/202/204/206
The PIC10F200/202/204/206 devices have a Watch-
dog Timer, which can be shut off only through configu-
ration bit WDTE. It runs off of its own RC oscillator for
added reliability. When using INTRC, there is an 18 ms
delay only on V
DD
power-up. With this timer on-chip,
most applications need no external Reset circuitry.
The Sleep mode is designed to offer a very low-current
Power-down mode. The user can wake-up from Sleep
through a change on input pins, wake-up from
comparator change, or through a Watchdog Timer
time-out.
9.1
Configuration Bits
The PIC10F200/202/204/206 Configuration Words
consist of 12 bits. Configuration bits can be
programmed to select various device configurations.
One bit is the Watchdog Timer enable bit, one bit is the
MCLR enable bit and one bit is for code protection (see
Register 9-1).
REGISTER 9-1:
CONFIGURATION WORD FOR PIC10F200/202/204/206
(1, 2)
MCLRE
CP
WDTE
bit 11
bit 0
bit 11-5
bit 4
Unimplemented:
Read as ‘
0
MCLRE:
GP3/MCLR Pin Function Select bit
1
= GP3/MCLR pin function is MCLR
0
= GP3/MCLR pin function is digital I/O, MCLR internally tied to V
DD
CP:
Code Protection bit
1
= Code protection off
0
= Code protection on
WDTE:
Watchdog Timer Enable bit
1
= WDT enabled
0
= WDT disabled
Reserved:
Read as ‘
0
bit 3
bit 2
bit 1-0
Note 1:
Refer to the “
PIC10F200/202/204/206 Memory Programming Specifications
” (DS41228) to
determine how to access the Configuration Word. The Configuration Word is not user
addressable during device operation.
2:
INTRC is the only oscillator mode offered on the PIC10F200/202/204/206.
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = bit is cleared
x = bit is unknown
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