参数资料
型号: ST72324K2T6/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP32
封装: TQFP-32
文件页数: 2/161页
文件大小: 2070K
代理商: ST72324K2T6/XXX
ST72324
10/161
PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to See “ELECTRICAL CHARACTERISTICS” on page 113.
Legend / Abbreviations for Table 1:
Type:
I = input, O = output, S = supply
Input level:
A = Dedicated analog input
In/Output level: C = CMOS 0.3VDD/0.7VDD
CT= CMOS 0.3VDD/0.7VDD with input trigger
Output level:
HS = 20mA high sink (on N-buffer only)
Port and control configuration:
– Input:
float = floating, wpu = weak pull-up, int = interrupt 1), ana = analog
– Output:
OD = open drain 2), PP = push-pull
Refer to “I/O PORTS” on page 45 for more details on the software configuration of the I/O ports.
The RESET configuration of each pin is shown in bold. This configuration is valid as long as the device is
in reset state.
Table 1. Device Pin Description
Pin n°
Pin Name
Typ
e
Level
Port
Main
function
(after
reset)
Alternate Function
T
QFP
44
SDIP4
2
T
QFP
32
SDIP3
2
Inpu
t
Outpu
t
Input
Output
float
wpu
int
ana
OD
PP
6
1 30 1
PB4 (HS)5)
I/O CT HS
X
ei3
X
Port B4
7
2 31 2
PD0/AIN0
I/O CT
X
X
Port D0
ADC Analog Input 0
8
3 32 3
PD1/AIN1
I/O CT
X
X
Port D1
ADC Analog Input 1
9
4
PD2/AIN2
I/O CT
X
X
Port D2
ADC Analog Input 2
10 5
PD3/AIN3
I/O CT
X
X
Port D3
ADC Analog Input 3
11 6
PD4/AIN4
I/O CT
X
X
Port D4
ADC Analog Input 4
12 7
PD5/AIN5
I/O CT
X
X
Port D5
ADC Analog Input 5
13 8
1
4
VAREF
S
Analog Reference Voltage for ADC
14 9
2
5
VSSA
S
Analog Ground Voltage
15 10 3
6
PF0/MCO/AIN8
I/O CT
X
ei1
X
Port F0
Main clock
out (fOSC/2)
ADC Analog
Input 8
16 11 4
7
PF1 (HS)/BEEP
I/O CT HS
X
ei1
X
Port F1
Beep signal output
17 12
PF2 (HS)
I/O CT HS
X
ei1
X
Port F2
18 13 5
8
PF4/OCMP1_A/
AIN10
I/O CT
X
X
Port F4
Timer A Out-
put Com-
pare 1
ADC Analog
Input 10
19 14 6
9
PF6 (HS)/ICAP1_A
I/O CT HS
X
X
Port F6
Timer A Input Capture 1
20 15 7 10
PF7 (HS)/
EXTCLK_A
I/O CT HS
X
X
Port F7
Timer A External Clock
Source
21
VDD_0
S
Digital Main Supply Voltage
22
VSS_0
S
Digital Ground Voltage
23 16 8 11
PC0/OCMP2_B/
AIN12
I/O CT
X
X
Port C0
Timer B Out-
put Com-
pare 2
ADC Analog
Input 12
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