ST72F324BK6TAS STMicroelectronics, ST72F324BK6TAS Datasheet - Page 18

• Manufacturer Part Number: ST72F324BK6TAS
• Description: 8-BIT MCU
• Manufacturer: STMicroelectronics

Pin description
Table 2.
1. It is mandatory to connect all available V
2. On the chip, each I/O port has eight pads. Pads that are not bonded to external pins are in input pull-up configuration after
3. OSC1 and OSC2 pins connect a crystal/ceramic resonator, or an external source to the on-chip oscillator; see
4. For details refer to
18/198
2
3
4
5
No.
reset. The configuration of these pads must be kept at reset state to avoid added current consumption..
Description
28 PB0
29 PB3
-
-
PB1
PB2
Pin
Device pin description (continued)
and
Legend / Abbreviations for
a. In the interrupt input column, “eiX” defines the associated external interrupt vector. If the weak pull-up column
b. In the open drain output column, ‘T’ defines a true open drain I/O (P-Buffer and protection diode to V
Name
(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.
implemented). See
Section 12.6: Clock and timing characteristics
Type:I = input, O = output, S = supply
Input level: A = Dedicated analog input
In/Output level: C = CMOS 0.3V
C
Output level: HS = 20mA high sink (on N-buffer only)
Port and control configuration:
Section 12.9.1 on page 162
T
= CMOS 0.3V
Input:float = floating, wpu = weak pull-up, int = interrupt
Output:OD = open drain
I/O C
I/O C
I/O C
I/O C
Section 9: I/O ports
Level
T
T
T
T
DD
DD
/0.7
and V
Table 2:
DD
X
X
X
X
REF
Doc ID13466 Rev 4
with input trigger
pins to the supply voltage and all V
(b)
and
Input
, PP = push-pull
ei2
ei2
ei2
DD
Section 12.9: I/O port pin characteristics
ei2
/0.7
Port
or more details.
DD
Output
X
X
X
X
X Port B0
X Port B1
X Port B2
X Port B3
function
reset)
(after
Main
SS
and V
(a)
, ana = analog ports
Caution: Negative
current injection not
allowed on this pin on
8/16 Kbyte Flash
devices.
SSA
Alternate function
for more details.
pins to ground.
ST72324B-Auto
(4)
Section 1:
DD
are not