MC68HC912DG128A MOTOROLA [Motorola, Inc], MC68HC912DG128A Datasheet - Page 48
MC68HC912DG128A
Manufacturer Part Number
MC68HC912DG128A
Description
microcontroller unit 16BIT DEVICE
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC912DG128A.pdf
(404 pages)
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Pinout and Signal Descriptions
MC68HC912DT128A Rev 2.0
48
PCAN2[1:0]
PCAN1[1:0]
PCAN0[1:0]
Port Name
Port CAN2
Port CAN1
Port CAN0
PIB[5:4]
PAD1[7:0]
PAD0[7:0]
Port AD1
Port AD0
PK[7,3:0]
PIB[7:6]
PA[7:0]
PB[7:0]
PE[7:0]
Port IB
Port IB
Port A
Port B
Port E
Port K
(1)
(2)
Numbers
84/82/80/
78/76/74/
83/81/79/
77/75/73/
100–101
102–103
104–105
100–101
108-111
112-pin
36–39,
31–24
98–99
53–56
64-57
72/70
71/69
Pin
13,
Table 7 MC68HC912DT128A Port Description Summary
Register (Address)
When the PUPT bit in the TMSK2 register is set, all input pins are pulled
up internally by an active pull-up device. Pullups are disabled after reset.
Setting the RDPT bit in the TMSK2 register configures all port T outputs
to have reduced drive levels. Levels are at normal drive capability after
reset. The TMSK2 register can be read or written anytime after reset.
Refer to
DDRIB ($00E7)
DDRIB ($00E7)
Data Direction
DDRK ($00FD)
DDRA ($0002)
DDRB ($0003)
DDRE ($0009)
PCAN2[1] Out
PCAN1[1] Out
PCAN0[1] Out
PE[7:2] In/Out
PCAN2[0] In
PCAN1[0] In
PCAN0[0] In
PE[1:0] In
In/Out
In/Out
In/Out
In/Out
In/Out
In
In
Enhanced Capture
Pinout and Signal Descriptions
Port A and port B pins are used for address and data in
expanded modes. The port data registers are not in the
address map during expanded and peripheral mode operation.
When in the map, port A and port B can be read or written any
time.
DDRA and DDRB are not in the address map in expanded or
peripheral modes.
Analog-to-digital converter 1 and general-purpose I/O.
Analog-to-digital converter 0 and general-purpose I/O.
PCAN2[1:0] are used with the MSCAN2 module and cannot be
used as general purpose I/O (MC68HC912DT128A only).
PCAN1[1:0] are used with the MSCAN1 module and cannot be
used as general purpose I/O.
PCAN0[1:0] are used with the MSCAN0 module and cannot be
used as general purpose I/O.
General purpose I/O. PIB[7:6] are used with the I-Bus module
when enabled.
General purpose I/O (MC68HC912DG128A only).
Mode selection, bus control signals and interrupt service
request signals; or general-purpose I/O.
Page index emulation signals in expanded or peripheral mode
or general-purpose I/O.
Timer.
Description
MOTOROLA
22-pins
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