ST72325_07 Datasheet, PDF (14/196 Pages) STMicroelectronics – 8-bit MCU with 16 to 60K Flash/ROM, ADC, CSS, 5 timers, SPI, SCI, I2C interface

Pin n°
Pin Name
Level
Port
Input
Output
Main
function
(after
reset)
Alternate function
SPI Slave ADC Ana-
42 32 32 30 23 PC7/SS/AIN15 I/O C_T
XX
X X X Port C7 Select (ac- log
tive low) Input 15
43 -⁴⁾ - - - PA0
44 -⁴⁾ - - - PA1
I/O C_T
I/O C_T
X ei0
X ei0
X X Port A0
X X Port A1
45 33 - - - PA2
I/O C_T
X ei0
X X Port A2
46 34 34 31 24 PA3 (HS)
47 35 35 32 25 V_{DD_16)}
48 36 36 33 26 V_{SS_16)}
I/O C_T HS X
ei0
X X Port A3
S
Digital Main Supply Voltage
S
Digital Ground Voltage
49 37 37 34 27 PA4 (HS)
I/O C_T HS X X
X X Port A4
50 38 38 35 28 PA5 (HS)
I/O C_T HS X X
51 39 39 36 29 PA6 (HS)/SDAI I/O C_T HS X
52 40 40 37 30 PA7 (HS)/SCLI I/O C_T HS X
X X Port A5
T
Port A6 I²C Data ¹⁾
T
Port A7 I²C Clock ¹⁾
Must be tied low. In flash program-
ming mode, this pin acts as the
53 41 41 38 31 V_PP/ ICCSEL I
programming voltage input V_PP.
See Section 12.9.2 for more de-
tails. High voltage must not be ap-
plied to ROM devices
54 42 42 39 32 RESET
I/O C_T
Top priority non maskable inter-
rupt.
55 - - - - EVD
External voltage detector
56 - - - - TLI
I C_T
X
Top level interrupt input pin
57 43 43 40 33 V_{SS_26)}
S
Digital Ground Voltage
58 44 44 41 34 OSC2³⁾
I/O
Resonator oscillator inverter out-
put
59 45 45 42 35 OSC1³⁾
60 46 46 43 36 V_{DD_26)}
61 47 47 44 37 PE0/TDO
62 48 48 1 38 PE1/RDI
63 1 - - - PE2
64 -⁴⁾ - - - PE3
I
S
I/O C_T
I/O C_T
I/O C_T
I/O C_T
XX
XX
XX
XX
External clock input or Resonator
oscillator inverter input
Digital Main Supply Voltage
X X Port E0 SCI Transmit Data Out
X X Port E1 SCI Receive Data In
X⁴⁾ X⁴⁾ Port E2
X X Port E3
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