參數(shù)資料
型號: ST72C171K2B6
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP32
封裝: SHRINK, PLASTIC, DIP-32
文件頁數(shù): 109/152頁
文件大?。?/td> 2156K
代理商: ST72C171K2B6
ST72C171
6/152
PIN DESCRIPTION (Cont’d)
Legend / Abbreviations:
Type:
I = input, O = output, S = supply
In/Output level: C = CMOS 0.3VDD/0.7VDD,
CR = CMOS Levels with resistive output (1K)
A = Analog levels
Output level:
HS = high sink (on N-buffer only),
Port configuration capabilities:
– Input:float = floating, wpu = weak pull-up, int = interrupt, ana = analog
– Output: OD = open drain, T = true open drain, PP = push-pull
Note: the Reset configuration of each pin is shown in bold.
Table 1. Device Pin Description
Pin
Pin Name
Ty
pe
Level
Port
Main
function
(after
reset)
Alternate function
SD
IP
32
SO
34
Inpu
t
Ou
tp
u
t
Input
Output
fl
oa
t
wp
u
in
t
an
a
OD
PP
1
OA2OUT
O
A
OA2 output
22
PC1/OA2PIN/
PWM1R
I/O
C
C/CR X
XX
X
Port C1
OA2 noninverting input and/or
ART PWM1 resistive output
3
PC0/OA2NIN
I/O C/A
C
X
X
Port C0
OA2 inverting input
-
4
OA3PIN
I
A
OA3 noninverting input
4
5
PB7/TDO
I/O
C
X
ei1
X
Port B7
SCI transmit
5
6
PB6/RDI
I/O
C
X
ei1
X
Port B6
SCI receive
6
7
PB5/MISO/ISPDATA I/O
C
X
ei1
X
Port B5
SPI data master in/slave out or
In Situ Programming Data In-
put
7
8
PB4/MOSI
I/O
C
HS
X
ei1
X
Port B4
SPI data master out/slave in
8
9
PB3/SCK/ISPCLK
I/O
C
HS
X
ei1
X
Port B3
SPI Clock or In Situ Program-
ming Clock Output
910 PB2/SS
I/O
C
HS
X
ei1
X
Port B2
SPI Slave Select (active low)
10 11 PB1/ARTCLK
I/O
C
HS
X
ei1
X
Port B1
ART External Clock
11 12 PB0/EXTCLK
I/O
C
HS
X
ei1
X
Port B0
Timer16 External Clock
12 13 VDD
S
Digital Main Supply Voltage
13 14 VSS
S
Digital ground voltage
14 15 OSC2
Resonator oscillator inverter output or capaci-
tor input for RC oscillator
15 16 OSC1
External clock input or Resonator oscillator in-
verter input or resistor input for RC oscillator
16 17 ISPSEL
I
C
In Situ Programming Mode Select
Must be tied to VSS in user mode
17 18 RESET
I/O
C
X
External Reset
18 19 PA0/AIN0
I/O
C
X
ei0
X
Port A0
ADC input 0
19 20 PA1/AIN1/ICAP2
I/O
C
X
ei0
X
Port A1
ADC input 1 orTimer16 input
capture 2
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