ST7263B
2引脚说明
图2. 34引脚SO封装引脚
V
DD
OSCOUT
OSCIN
V
SS
PC2/USBOE
PC1/TDO
PC0/RDI
RESET
NC
AIN7/IT8PB7(10mA)
AIN6/PB6/IT7(10mA)
V
PP
/ TEST
AIN5/IT6/PB5(10mA)
AIN4/IT5/PB4(10mA)
AIN3/PB3(10mA)
AIN2/PB2(10mA)
AIN1/PB1(10mA)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
V
DDA
USBVCC
USBDM
USBDP
V
SSA
PA0/MCO
PA1(25mA)/SDA/ICCDATA
NC
NC
NC
PA2(25mA)/SCL/ICCCLK
PA3/EXTCLK
PA4/ICAP1/IT1
PA5/ICAP2/IT2
PA6/OCMP1/IT3
PA7/OCMP2/IT4
PB0(10mA)/AIN0
* V
PP
只有闪存版本
图3. 32引脚SDIP封装引脚
V
DD
OSCOUT
OSCIN
V
SS
PC2/USBOE
PC1/TDO
PC0/RDI
RESET
AIN7/IT8/PB7(10mA)
AIN6/IT7/PB6(10mA)
V
PP
/ TEST *
AIN5/IT6/PB5(10mA)
AIN4/IT5/PB4(10mA)
AIN3/PB3(10mA)
AIN2/PB2(10mA)
AIN1/PB1/(10mA)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
DDA
USBVCC
USBDM
USBDP
V
SSA
PA0/MCO
PA1(25mA)/SDA/ICCDATA
NC
NC
PA2(25mA)/SCL/ICCCLK
PA3/EXTCLK
PA4/ICAP1/IT1
PA5/ICAP2/IT2
PA6/COMP1/IT3
PA7/COMP2/IT4
PB0(10mA)/AIN0
* V
PP
只有闪存版本
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