EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 44
EZ80F91MCU
Manufacturer Part Number
EZ80F91MCU
Description
eZ80Acclaim-TM Flash Microcontrollers
Manufacturer
ZILOG [Zilog, Inc.]
Datasheet
1.EZ80F91MCU.pdf
(396 pages)
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Table 2. Pin Identification on the eZ80F91 Device (Continued)
PS019209-0504
LQFP
Pin #
104
105
106
Note: *PHY represents the physical layer of the OSI model.
BGA
Pin#
E9
D10
C12
Symbol
PB4
IC2
PB5
IC3
PB6
MISO
Function
GPIO Port B
Input Capture Schmitt-trigger input
GPIO Port B
Input Capture Schmitt-trigger input
GPIO Port B
SPI Master In
Slave Out
P R E L I M I N A R Y
Signal Direction
Bidirectional with
Schmitt-trigger input
Bidirectional with
Schmitt-trigger input
Bidirectional with
Schmitt-trigger input
Bidirectional with
Schmitt-trigger input
Description
This pin can be used for general-
purpose I/O. It can be individually
programmed as input or output
and can also be used individually
as an interrupt input. Each Port B
pin, when programmed as output,
can be selected to be an open-
drain or open-source output.
Input Capture A Signal to Timer
3. This signal is multiplexed with
PB4.
This pin can be used for general-
purpose I/O. It can be individually
programmed as input or output
and can also be used individually
as an interrupt input. Each Port B
pin, when programmed as output,
can be selected to be an open-
drain or open-source output.
Input Capture B Signal to Timer
3. This signal is multiplexed with
PB5.
This pin can be used for general-
purpose I/O. It can be individually
programmed as input or output
and can also be used individually
as an interrupt input. Each Port B
pin, when programmed as output,
can be selected to be an open-
drain or open-source output.
The MISO line is configured as an
input when the eZ80F91 device is
an SPI master device and as an
output when eZ80F91 is an SPI
slave device. This signal is
multiplexed with PB6.
Product Specification
Architectural Overview
eZ80F91 MCU
25
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