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ST72521 Scheda tecnica(PDF) 12 Page - STMicroelectronics

Il numero della parte ST72521
Spiegazioni elettronici  8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
PDF  211 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72521 Scheda tecnica(HTML) 12 Page - STMicroelectronics

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Notes:
1. In the interrupt input column, “eiX” defines the associated external interrupt vector. If the weak pull-up
column (wpu) is merged with the interrupt column (int), then the I/O configuration is pull-up interrupt input,
52
-
PH3
I/O TT
X
X
X
X
Port H3
53
41
PC6/SCK/ICCCLK
I/O CT
X
X
X
X
Port C6
SPI Serial
Clock
ICC Clock
Output
54
42
PC7/SS/AIN15
I/O CT
X
X
X
X
X
Port C7
SPI Slave
Select (active
low)
ADC Analog
Input 15
55
43
PA0
I/O CT
X
ei0
X
X
Port A0
56
44
PA1
I/O CT
X
ei0
X
X
Port A1
57
45
PA2
I/O CT
X
ei0
X
X
Port A2
58
46
PA3 (HS)
I/O CT HS
X
ei0
X
X
Port A3
59
47
VDD_1
S
Digital Main Supply Voltage
60
48
VSS_1
S
Digital Ground Voltage
61
49
PA4 (HS)
I/O CT HS
X
X
X
X
Port A4
62
50
PA5 (HS)
I/O CT HS
X
X
X
X
Port A5
63
51
PA6 (HS)/SDAI
I/O CT HS
X
T
Port A6
I2C Data 1)
64
52
PA7 (HS)/SCLI
I/O CT HS
X
T
Port A7
I2C Clock 1)
65
53
VPP/ ICCSEL
I
Must be tied low. In flash programming
mode, this pin acts as the programming
voltage input VPP. See Section 12.9.2
for more details. High voltage must not
be applied to ROM devices
66
54
RESET
I/O CT
Top priority non maskable interrupt.
67
55
EVD
External voltage detector
68
56
TLI
I
CT
X
X
Top level interrupt input pin
69
-
PH4
I/O TT
X
X
X
X
Port H4
70
-
PH5
I/O TT
X
X
X
X
Port H5
71
-
PH6
I/O TT
X
X
X
X
Port H6
72
-
PH7
I/O TT
X
X
X
X
Port H7
73
57
VSS_2
S
Digital Ground Voltage
74
58
OSC23)
I/O
Resonator oscillator inverter output
75
59
OSC13)
I
External clock input or Resonator oscil-
lator inverter input
76
60
VDD_2
S
Digital Main Supply Voltage
77
61
PE0/TDO
I/O CT
X
X
X
X
Port E0
SCI Transmit Data Out
78
62
PE1/RDI
I/O CT
X
X
X
X
Port E1
SCI Receive Data In
79
63
PE2/CANTX
I/O CT
X
Port E2
CAN Transmit Data Output
80
64
PE3/CANRX
I/O CT
X
X
X
X
Port E3
CAN Receive Data Input
Pin n°
Pin Name
Level
Port
Main
function
(after
reset)
Alternate function
Input
Output



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