ST72121J4 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
比赛名单
ST72121J4
STMicroelectronics
ST72121J4 Datasheet PDF : 93 Pages
| |||
1.2 PIN DESCRIPTION
Figure 2. 44-Pin Thin QFP Package Pinout
ST72E121 ST72T121
PE1/RDI
PB0
PB1
PB2
PB3
PB4
PD0
PD1
PD2
PD3
PD4
44 43 42 41 40 39 38 37 36 35 34
1
33
2 (EI2)
32
3 (EI2)
(EI0) 31
4 (EI2)
30
5 (EI2)
29
6 (EI3)
28
7
27
8
26
9
25
10
24
11
23
12 13 14 15 16 17 18 19 20 21 22
VSS_1
VDD_1
PA3
PC7/SS
PC6/SCK
PC5/MOSI
PC4/MISO
PC3/ICAP1_B
PC2/ICAP2_B
PC1/OCMP1_B
PC0/OCMP2_B
1. V on EPROM/OTP only
PP
Figure 3. 42-Pin Shrink DIP Package Pinout
PB4
PD0
PD1
PD2
PD3
PD4
PD5
VD D_3
VSS_3
CLKOUT/PF0
PF1
PF2
OCMP1_A/PF4
ICAP1_A/PF6
EXTCLK_A/PF7
PC0/OCMP2_B
PC1/OCMP1_B
PC2/ICAP2_B
PC3/ICAP1_B
PC4/MISO
PC5/MOSI
1 (EI3)
2
3
4
5
6
7
8
9
10 (EI1)
11 (EI1)
12 (EI1)
13
14
15
16
17
18
19
20
21
(EI2) 42
(EI2) 41
(EI2) 40
(EI2) 39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
(EI0)24
23
22
PB3
PB2
PB1
PB0
PE1/RDI
PE0/TD0
VDD_2
OSCIN
OSCOUT
VSS_2
RESET
TEST/VPP1)
PA7
PA6
PA5
PA4
VSS_1
VDD_1
PA3
PC7/SS
PC6/SCK
1. V on EPROM/OTP only
PP
5/93
5
Share Link: