参数资料
型号: ST72621J2T1
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, PDSO20
封装: 0.300 INCH, PLASTIC, SO-20
文件页数: 82/136页
文件大小: 2475K
代理商: ST72621J2T1
ST7262
5/136
2 PIN DESCRIPTION
Figure 2. 44-pin TQFP and 42-Pin SDIP Package Pinouts
44 43 42 41 40 39 38 37 36 35 34
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
1
2
3
4
5
6
7
8
9
10
11
38
37
36
35
34
33
32
31
30
29
28
27
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
39
40
41
42
PD6
PD5
OSCOUT
OSCIN
IT9 / PC2
IT10 / SCK / PC3
IT11 / SS / PC4
IT12 / MISO / PC5
MOSI / PC6
PD1
VPP
PD2
PD3
PD4
PC7
PD0
VDDA
USBVCC
PB1 (HS) / RDI
PB0 (HS) / MCO
PA7 / AIN7
PA6 / AIN6
PA5 / AIN5
PA4 / AIN4
PA3 / AIN3 / IT4
PA0 / AIN0 / IT1 / USBOE
RESET
VSSA
USBDM
USBDP
PA1 / AIN1 / IT2
PA2 / AIN2 / IT3
21
20
17
18
19
IT8 / PWM1 / PB7 (HS)
PC0
PC1
VDD
VSS
26
25
24
23
22
PB6 (HS) / PWM0 / IT7 / ICCDATA
PB5 (HS) / ARTIC2 / IT6 / ICCCLK
PB4 (HS) / ARTIC1 / IT5
PB3 (HS) / ARTCLK
PB2 (HS) / TDO
OSCOUT
OSCIN
IT9 / PC2
IT10 / SCK / PC3
IT11 / SS / PC4
IT12 / MISO / PC5
MOSI / PC6
PD1
VPP
PC7
PD0
IT8
/
PW
M1
/
PB7
PC0
PC1
V
DD
V
SS
A
R
TCL
K
/
PB3
(
H
S)
I
T
5
/
ARTIC1
/
PB4
(
H
S)
ICCCL
K
/
I
T
6
/
ARTIC2
/
PB5
(HS)
ICCDATA
/IT7
/PWM0
/
PB6
(HS)
N.
C.
TDO
/
PB2
(
H
S)
PB1 (HS) / RDI
PB0 (HS) / MCO
PA7 / AIN7
PA6 / AIN6
PA5 / AIN5
PA4 / AIN4
PA3 / AIN3 / IT4
PA0 / AIN0 / IT1 / USBOE
RESET
PA1 / AIN1 / IT2
PA2 / AIN2 / IT3
V
DD
A
USBVCC
V
SS
A
USBDM
USBDP
PD
3
PD
4
Re
s
e
rve
d
*
PD
6
PD
5
PD
2
* Pin 39 of the TQFP44 package
must be left unconnected.
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