參數(shù)資料
型號: PIC12CR509A
廠商: Microchip Technology Inc.
英文描述: 8-Pin, 8-Bit CMOS Microcontrollers
中文描述: 8引腳,8位CMOS微控制器
文件頁數(shù): 11/113頁
文件大?。?/td> 1604K
代理商: PIC12CR509A
1999 Microchip Technology Inc.
DS40139E-page 11
PIC12C5XX
TABLE 3-1:
PIC12C5XX PINOUT DESCRIPTION
Name
DIP
Pin #
SOIC
Pin #
I/O/P
Type
Buffer
Type
Description
GP0
7
7
I/O
TTL/ST Bi-directional I/O port/ serial programming data. Can
be software programmed for internal weak pull-up and
wake-up from SLEEP on pin change. This buffer is a
Schmitt Trigger input when used in serial programming
mode.
TTL/ST Bi-directional I/O port/ serial programming clock. Can
be software programmed for internal weak pull-up and
wake-up from SLEEP on pin change. This buffer is a
Schmitt Trigger input when used in serial programming
mode.
ST
Bi-directional I/O port. Can be configured as T0CKI.
TTL/ST Input port/master clear (reset) input/programming volt-
age input. When configured as MCLR, this pin is an
active low reset to the device. Voltage on MCLR/V
PP
must not exceed V
DD
during normal device operation
or the device will enter programming mode. Can be
software programmed for internal weak pull-up and
wake-up from SLEEP on pin change. Weak pull-up
always on if configured as MCLR. ST when in MCLR
mode.
TTL
Bi-directional I/O port/oscillator crystal output. Con-
nections to crystal or resonator in crystal oscillator
mode (XT and LP modes only, GPIO in other modes).
TTL/ST Bidirectional IO port/oscillator crystal input/external
clock source input (GPIO in Internal RC mode only,
OSC1 in all other oscillator modes). TTL input when
GPIO, ST input in external RC oscillator mode.
Positive supply for logic and I/O pins
Ground reference for logic and I/O pins
GP1
6
6
I/O
GP2/T0CKI
GP3/MCLR/V
PP
5
4
5
4
I/O
I
GP4/OSC2
3
3
I/O
GP5/OSC1/CLKIN
2
2
I/O
V
DD
V
SS
1
8
1
8
P
P
Legend: I = input, O = output, I/O = input/output, P = power, — = not used, TTL = TTL input,
ST = Schmitt Trigger input
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