EZ80190AZ050EC Zilog, EZ80190AZ050EC Datasheet - Page 54
EZ80190AZ050EC
Manufacturer Part Number
EZ80190AZ050EC
Description
IC WEBSERVER 50MHZ XTEMP 100lQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050EC
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3123
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Table 12. GPIO Mode Selection (Continued)
PS006614-1208
GPIO
Mode
3
4
5
6
7
8
9
Px_ALT2
Bits7:0
0
0
0
0
1
1
1
1
1
1
1
1
GPIO Mode 1—
ten to the Port x Data register (Px_DR) is presented on the pin.
GPIO Mode 2—
tristated (high impedance). The value stored in the Port x Data register produces no effect.
As in all modes, a read from the Port x Data register returns the pin’s value. GPIO Mode 2
is the default operating mode following a RESET.
GPIO Mode 3—
ture an internal pull-up to the supply voltage. To employ the GPIO pin in open-drain
mode, an external pull-up resistor must connect the pin to the supply voltage. Writing a 0
to the Port x Data register outputs a Low at the pin. Writing a 1 to the Port x Data register
results in high-impedance output.
GPIO Mode 4—
ture an internal pull-down to the supply ground. To employ the GPIO pin in open-source
mode, an external pull-down resistor must connect the pin to the supply ground. Writing a
1 to the Port x Data register outputs a High at the pin. Writing a 0 to the Port x Data regis-
ter results in a high-impedance output.
GPIO Mode 5—
Px_ALT1
Bits7:0
1
1
1
1
0
0
0
0
1
1
1
1
Px_DDR
Bits7:0
The port pin is configured as a standard digital output pin. The value writ-
The port pin is configured as a standard digital input pin. The output is
The port pin is configured as open-drain I/O. The GPIO pins do not fea-
The port pin is configured as open-source I/O. The GPIO pins do not fea-
Reserved. This pin produces high-impedance output.
0
0
1
1
0
0
1
1
0
0
1
1
Bits7:0 Port Mode
Px_DR
0
1
0
1
0
1
0
1
0
1
0
1
Open-Drain output
Open-Drain I/O
Open source I/O
Open source output
Reserved
Interrupt—dual edge triggered
Port A or B—input from pin, high-impedance output.
Port C or D—alternate function controls port I/O.
Port A or B—input from pin, high-impedance output.
Port C or D—alternate function controls port I/O.
Interrupt—active Low
Interrupt—active High
Interrupt—falling edge triggered
Interrupt—rising edge triggered
General-Purpose Input/Output
Product Specification
Output
0
High impedance
High impedance
1
High impedance
High impedance
High impedance
High impedance
High impedance
High impedance
eZ80190
44
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