ST7232AK2 STMicroelectronics, ST7232AK2 Datasheet - Page 129

• Manufacturer Part Number: ST7232AK2
• Description: 8-BIT MCU WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
• Manufacturer: STMicroelectronics

Specifications of ST7232AK2

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators and bypass for external clock
• Four Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Main Clock Controller With: Real time base, Beep and Clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, PWM and pulse generator modes

I/O PORT PIN CHARACTERISTICS (Cont’d)
12.8.2 Output Driving Current
Subject to general operating conditions for V
Figure 68. Typical V
Figure 69. Typ. V
Notes:
1. The I
(I/O ports and control pins) must not exceed I
2. The I
I
IO
Symbol
V
V
(I/O ports and control pins) must not exceed I
OH
OL
1.2
0.8
0.6
0.4
0.2
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1)
2)
IO
IO
1
0
1
0
0
current sunk must always respect the absolute maximum rating specified in
current sourced must always respect the absolute maximum rating specified in
0
Output low level voltage for a standard I/O pin
when 8 pins are sunk at same time
(see
Output low level voltage for a high sink I/O pin
when 4 pins are sunk at same time
(see
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
(see
10
Figure
Figure 69
Figure 70
OL
0.01
0.005
5
at V
OL
68)
I
I
IO
IO
and
and
at V
20
DD
Iio(A)
(mA)
(mA)
Iio(A)
Parameter
=5V (high-sink ports)
Figure
Figure
DD
0.02
Ta =14 0°C "
Ta =95 °C
Ta =25 °C
Ta =-45 °C
=5V (std. ports)
0.01
10
71)
73)
Ta= 140 °C
Ta= 95 °C
Ta= 25 °C
Ta= -45°C
30
0.03
VSS
VDD
0.015
.
15
DD
. True open drain I/O pins do not have V
, f
CPU
, and T
Figure 70. Typical V
I
I
I
I
I
I
IO
IO
IO
IO
IO
IO
5.5
4.5
3.5
2.5
A
Conditions
=+5mA
=+2mA
=+20mA, T
=+8mA
=-5mA, T
=-2mA
5
4
3
2
unless otherwise specified.
-0.01
-10
T
T
A
A
A
A
-0.008 -0.006 -0.004
≤85°C
>85°C
≤85°C
>85°C
-8
Section 12.2.2
OH
I
Section 12.2.2
-6
IO
V
V
V
at V
Iio (A)
DD
DD
DD
(mA)
Min
OH
-1.4
-1.6
-0.7
DD
.
-4
V dd= 5V 1 40°C m in
V dd= 5v 95°C m in
V dd= 5v 25°C m in
V dd= 5v -4 5°C m in
=5V
and the sum of I
-0.002
Max
-2
1.2
0.5
1.3
1.5
0.6
and the sum of
ST7232A
0
0
129/157
Unit
V
IO
1