ST72321AR6-Auto STMicroelectronics, ST72321AR6-Auto Datasheet - Page 24

• Manufacturer Part Number: ST72321AR6-Auto
• Description: 8-bit MCU for automotive with 32 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
• Manufacturer: STMicroelectronics

Specifications of ST72321AR6-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

Package pinout and pin description
Table 3.
24/243
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
Pin No.
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
1
-
-
-
-
-
PC6/SCK/ICCCLK I/O C
PC7/SS/AIN15
PA0
PA1
PA2
PA3(HS)
V
V
PA4(HS)
PA5(HS)
PA6(HS)/SDAI
PA7(HS)/SCLI
V
RESET
EVD
TLI
V
OSC2
OSC1
V
PE0/TDO
PE1/RDI
Device pin description (continued)
DD_1
SS_1
PP
SS_2
DD_2
/ ICCSEL
Pin name
(1)
(1)
(1)
(2)
(2)
(1)
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 C
I/O C
I/O
I/O C
I/O C
S
S
S
S
I
I
I
I
A
C
Level
T
T
T
T
T
T
T
T
T
T
T
T
T
T
HS
HS
HS
HS
HS
Doc ID 13829 Rev 1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Input
ei0
ei0
ei0
ei0
X
Port
X
X
X
X
X
X
X
X
X
T
T
X
X
Output
X
X
X
X
X
X
X
X
X
X
function
Port C6
Port C7
Port A0
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
programming mode, this pin acts
as the programming voltage input
V
ICCSEL/VPP pin
High voltage must not be applied
to ROM devices.
Top priority non-maskable interrupt
External voltage detector
Top level interrupt input pin
Digital Ground Voltage
Resonator oscillator inverter output
External clock input or Resonator
oscillator inverter input
Digital Main Supply Voltage
Port E0
Port E1
reset)
PP
(after
Main
. See
Section 19.9.2:
SPI Serial
Clock
Caution: Negative
current injection not
allowed on this pin
(Flash devices only)
SPI Slave
Select
(active low)
SCI Transmit Data Out
SCI Receive Data In
I
I
2
2
C Data
C Clock
Alternate function
ST72321xx-Auto
for more details.
ICC Clock
Output
ADC
Analog
Input 15