ST72325 STMICROELECTRONICS [STMicroelectronics], ST72325 Datasheet - Page 14
ST72325
Manufacturer Part Number
ST72325
Description
8-BIT MCU WITH 16 TO 60K FLASH/ROM, ADC, CSS, FIVE TIMERS, SPI, SCI, I2C INTERFACE
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72325.pdf
(193 pages)
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44
45
46 33 31 24 PA3 (HS)
47 34 32 25 V
48 35 33 26 V
49 36 34 27 PA4 (HS)
50 37 35 28 PA5 (HS)
51 38 36 29 PA6 (HS)/SDAI
52 39 37 30 PA7 (HS)/SCLI
53 40 38 31 V
54 43 39 32 RESET
55
56
57 44 40 33 V
58 45 41 34 OSC2
59 46 42 35 OSC1
60 47 43 36 V
61 48 44 37 PE0/TDO
62
63
64
Pin n°
1
-
-
-
-
-
-
1
-
-
-
-
-
-
38 PE1/RDI
-
-
-
-
-
-
PA1
PA2
EVD
TLI
PE2
PE3
DD_1
SS_1
PP
SS_2
DD_2
/ ICCSEL
Pin Name
3)
3)
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O
I/O C
I/O C
I/O C
I/O C
S
S
S
S
I
I
I
C
Level
T
T
T
T
T
T
T
T
T
T
T
T
T
HS
HS
HS
HS
HS
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Input
ei0
ei0
ei0
X
Port
Output
X
X
X
X
X
T
T
X
X
X
X
X
X
X
X
X
X
X
X
X
function
Port A1
Port A2
Port A3
Digital Main Supply Voltage
Digital Ground Voltage
Port A4
Port A5
Port A6
Port A7
Must be tied low. In flash program-
ming mode, this pin acts as the
programming voltage input V
See
tails. High voltage must not be ap-
plied to ROM devices
Top priority non maskable inter-
rupt.
External voltage detector
Top level interrupt input pin
Digital Ground Voltage
Resonator oscillator inverter out-
put
External clock input or Resonator
oscillator inverter input
Digital Main Supply Voltage
Port E0
Port E1
Port E2
Port E3
reset)
(after
Main
Section 12.9.2
SCI Transmit Data Out
SCI Receive Data In
I
I
2
2
Alternate function
C Data
C Clock
for more de-
1)
1)
PP
.
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