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ST72F321M9T6 Datasheet(PDF) 11 Page - STMicroelectronics

No. de pieza ST72F321M9T6
Descripción Electrónicos  80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC, five timers, SPI, SCI, I2C interface
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72F321M9T6 Datasheet(HTML) 11 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,
else the configuration is floating interrupt input.
2. It is mandatory to connect all available VDD and VREF pins to the supply voltage and all VSS and VSSA
53
PC6/SCK/ICCCLK
I/O CT
X
XX
X
Port C6
SPI Serial
Clock
ICC Clock
Output
Caution: Negative current
injection not allowed on this
pin
54
PC7/SS/AIN15
I/O CT
X
XX
X
X
Port C7
SPI Slave
Select (active
low)
ADC Analog
Input 15
55
PA0
I/O CT
X
ei0
X
X
Port A0
56
PA1
I/O CT
X
ei0
X
X
Port A1
57
PA2
I/O CT
X
ei0
X
X
Port A2
58
PA3 (HS)
I/O CT HS
X
ei0
X
X
Port A3
59
VDD_1
2)
S
Digital Main Supply Voltage
60
VSS_1
2)
S
Digital Ground Voltage
61
PA4 (HS)
I/O CT HS
X
XX
X
Port A4
62
PA5 (HS)
I/O CT HS
X
XX
X
Port A5
63
PA6 (HS)/SDAI
I/O CT HS
X
TPort A6
I2C Data 5)
64
PA7 (HS)/SCLI
I/O CT HS
X
TPort A7
I2C Clock 5)
65
VPP/ ICCSEL
I
Must be tied low. In Flash programming
mode, this pin acts as the programming
voltage input VPP.
66
RESET
I/O CT
Top priority non maskable interrupt.
67
EVD
External voltage detector
68
TLI
I
CT
X
X
Top level interrupt input pin
69
PH4
I/O TT
X
XX
X
Port H4
70
PH5
I/O TT
X
XX
X
Port H5
71
PH6
I/O TT
X
XX
X
Port H6
72
PH7
I/O TT
X
XX
X
Port H7
73
VSS_2
2)
S
Digital Ground Voltage
74
OSC23)
I/O
Resonator oscillator inverter output
75
OSC13)
I
External clock input or Resonator oscil-
lator inverter input
76
VDD_2
2)
S
Digital Main Supply Voltage
77
PE0/TDO
I/O CT
X
X
X
X
Port E0
SCI Transmit Data Out
78
PE1/RDI
I/O CT
X
X
X
X
Port E1
SCI Receive Data In
79
PE2
I/O CT
X
Port E2
80
PE3
I/O CT
X
XX
X
Port E3
Pin n°
Pin Name
Level
Port
Main
function
(after
reset)
Alternate function
Input
Output


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