ST72651AR6 STMicroelectronics, ST72651AR6 Datasheet - Page 137

• Manufacturer Part Number: ST72651AR6
• Description: LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI
• Manufacturer: STMicroelectronics

Specifications of ST72651AR6

• Dual Supply Management: analog voltage detector on the USB power line to enable smart power switching from USB power to battery (on E suffix devices).
• Programmable Internal Voltage Regulator For Memory Cards (2.8v To 3.5v) Supplying: Flash Card I/O lines (voltage shifting)
• 5 Usb Endpoints: 1 control endpoint
• Dtc (data Transfer Coprocessor): Universal Serial/Parallel communications interface, with software plug-ins for current and future protocol standards

I/O PORT PIN CHARACTERISTICS (Cont’d)
13.8.2 Output Driving Current
Subject to general operating conditions for V
Figure 79. Typical V
Figure 80Typical 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
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
0
0
1)
2)
0
0
IO
IO
current sourced must always respect the absolute maximum rating specified in
current sunk must always respect the absolute maximum rating specified in
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 8 pins are sourced at same time
(see
1
1
Figure 79
Figure 81
Figure 80
2
2
DD
OL
-V
3
3
-Ioh (mA)
and
and
and
at V
Iol (mA)
OH
Parameter
Figure
Figure
Figure
at V
DD
4
4
=5V (standard)
DD
82)
83)
84)
5
=5V
5
VSS
6
6
VDD
.
Doc ID 7215 Rev 4
DD
. True open drain I/O pins does not have V
7
, f
7
OSC
, and T
Figure 81. Typical V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
A
Conditions
0
unless otherwise specified.
I
I
I
I
I
I
IO
IO
IO
IO
IO
IO
5
=+5mA
=+2mA
=+20mA
=+8mA
=-5mA
=-2mA
10
Section 13.2.2
OL
Iol (mA)
V
V
Section 13.2.2
at V
DD
DD
Min
15
-1.4
-0.7
DD
OH
.
=5V (high-sink)
20
and the sum of I
Max
ST72651AR6
1.2
0.5
1.3
0.6
and the sum of
25
137/161
Unit
V
30
IO