ST72521R Просмотр технического описания (PDF) - STMicroelectronics
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ST72521R
STMicroelectronics
ST72521R Datasheet PDF : 199 Pages
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ST72521M/R/AR
Pin n°
Pin Name
Level
Port
Input
Output
Main
function
(after
reset)
Alternate function
24 18 PD5/AIN5
25 19 PD6/AIN6
26 20 PD7/AIN7
27 21 VAREF
28 22 VSSA
29 23 VDD_3
30 24 VSS_3
31 - PG4
32 - PG5
33 25 PF0/MCO/AIN8
34 26 PF1 (HS)/BEEP
35 27 PF2 (HS)
36 28 PF3/OCMP2_A/AIN9
I/O CT
I/O CT
I/O CT
I
XX
XX
XX
X X X Port D5 ADC Analog Input 5
X X X Port D6 ADC Analog Input 6
X X X Port D7 ADC Analog Input 7
Analog Reference Voltage for ADC
S
Analog Ground Voltage
S
Digital Main Supply Voltage
S
Digital Ground Voltage
I/O TT
I/O TT
XX
XX
I/O CT
X ei1
I/O CT HS X
I/O CT HS X
ei1
ei1
I/O CT
XX
X X Port G4
X X Port G5
X
X
Port F0
Main clock
out (fOSC/2)
ADC Analog
Input 8
X X Port F1 Beep signal output
X X Port F2
X
X
Port F3
Timer A Out-
put Compare
2
ADC Analog
Input 9
37 29 PF4/OCMP1_A/AIN10 I/O CT
XX
X
X
Port F4
Timer A Out-
put Compare
1
ADC Analog
Input 10
38 30 PF5/ICAP2_A/AIN11 I/O CT
XX
X
X
Port F5
Timer A Input ADC Analog
Capture 2 Input 11
39 31 PF6 (HS)/ICAP1_A
40 32 PF7 (HS)/EXTCLK_A
I/O CT HS X X
I/O CT HS X X
X X Port F6 Timer A Input Capture 1
X
X
Port F7
Timer A External Clock
Source
41 33 VDD_0
S
42 34 VSS_0
S
43 35 PC0/OCMP2_B/AIN12 I/O CT
XX
Digital Main Supply Voltage
Digital Ground Voltage
X
X
Port C0
Timer B Out-
put Compare
2
ADC Analog
Input 12
44 36 PC1/OCMP1_B/AIN13 I/O CT
XX
X
X
Port C1
Timer B Out-
put Compare
1
ADC Analog
Input 13
45 37 PC2 (HS)/ICAP2_B
46 38 PC3 (HS)/ICAP1_B
47 39 PC4/MISO/ICCDATA
I/O CT HS X X
I/O CT HS X X
I/O CT
XX
X X Port C2 Timer B Input Capture 2
X X Port C3 Timer B Input Capture 1
X
X
Port C4
SPI Master In
/ Slave Out
Data
ICC Data In-
put
48 40 PC5/MOSI/AIN14
I/O CT
XX
X
X
Port C5
SPI Master
Out / Slave In
Data
ADC Analog
Input 14
49 - PH0
50 - PH1
51 - PH2
I/O TT
I/O TT
I/O TT
XX
XX
XX
X X Port H0
X X Port H1
X X Port H2
11/199
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