参数资料
型号: ST72C314J4B1XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, PLASTIC, SDIP-42
文件页数: 13/153页
文件大小: 2235K
代理商: ST72C314J4B1XXX
ST72334J/N, ST72314J/N, ST72124J
11/153
24
VSS_3
S
Digital Ground Voltage
25 15 15 10 PF0/MCO
I/O
CT
X
ei1
X
Port F0
Main clock output (fOSC/2)
26 16 16 11 PF1/BEEP
I/O
CT
X
ei1
X
Port F1
Beep signal output
27 17 17 12 PF2
I/O
CT
X
ei1
X
Port F2
28
NC
Not Connected
29 18 18 13 PF4/OCMP1_A
I/O
CT
X
X
Port F4
Timer A Output Compare 1
30
NC
Not Connected
31 19 19 14 PF6 (HS)/ICAP1_A
I/O CT HS X
X
Port F6
Timer A Input Capture 1
32 20 20 15 PF7 (HS)/EXTCLK_A I/O CT HS X
X
Port F7
Timer A External Clock Source
33 21 21
VDD_0
S
Digital Main Supply Voltage
34 22 22
VSS_0
S
Digital Ground Voltage
35 23 23 16 PC0/OCMP2_B
I/O
CT
X
X
Port C0
Timer B Output Compare 2
36 24 24 17 PC1/OCMP1_B
I/O
CT
X
X
Port C1
Timer B Output Compare 1
37 25 25 18 PC2 (HS)/ICAP2_B
I/O CT HS X
X
Port C2
Timer B Input Capture 2
38 26 26 19 PC3 (HS)/ICAP1_B
I/O CT HS X
X
Port C3
Timer B Input Capture 1
39 27 27 20 PC4/MISO
I/O
CT
X
X
Port C4
SPI Master In / Slave Out Data
40 28 28 21 PC5/MOSI
I/O
CT
X
X
Port C5
SPI Master Out / Slave In Data
41 29 29 22 PC6/SCK
I/O
CT
X
X
Port C6
SPI Serial Clock
42 30 30 23 PC7/SS
I/O
CT
X
X
Port C7
SPI Slave Select (active low)
43 31
PA0
I/O
CT
X
ei0
X
Port A0
44 32
PA1
I/O
CT
X
ei0
X
Port A1
45 33
PA2
I/O
CT
X
ei0
X
Port A2
46 34 31 24 PA3
I/O
CT
X
ei0
X
Port A3
47 35 32 25 VDD_1
S
Digital Main Supply Voltage
48 36 33 26 VSS_1
S
Digital Ground Voltage
49 37 34 27 PA4 (HS)
I/O CT HS X
X
Port A4
50 38 35 28 PA5 (HS)
I/O CT HS X
X
Port A5
51 39 36 29 PA6 (HS)
I/O CT HS X
T
Port A6
52 40 37 30 PA7 (HS)
I/O CT HS X
T
Port A7
53 41 38 31 ISPSEL
I
Must be tied low in user mode. In pro-
gramming mode when available, this pin
acts as In-Situ Programming mode se-
lection.
54 42 39 32 RESET
I/O
C
X
Top priority non maskable interrupt (ac-
tive low)
55
NC
Not Connected
56
NC
57 43 40 33 VSS_3
S
Digital Ground Voltage
58 44 41 34 OSC2 3)
O
Resonator oscillator inverter output or
capacitor input for RC oscillator
Pin n°
Pin Name
Ty
pe
Level
Port
Main
function
(after
reset)
Alternate function
TQF
P64
SDIP
56
QFP
44
SDIP
42
Input
O
utpu
t
Input
Output
floa
t
wp
u
in
t
an
a
OD
PP
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