mc68hc912dg128 Freescale Semiconductor, Inc, mc68hc912dg128 Datasheet - Page 59

• Manufacturer Part Number: mc68hc912dg128
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC912DG128 — Rev 3.0
MOTOROLA
PCAN1[1:0]
PCAN0[1:0]
Port Name
Port CAN1
Port CAN0
PAD1[7:0]
PAD0[7:0]
Port AD1
Port AD0
PK[7,3:0]
PIB[7:4]
PIB[3:2]
PB[7:0]
PE[7:0]
PP[3:0]
PS[7:0]
PA[7:0]
PT[7:0]
Port IB
Port IB
Port A
Port B
Port E
Port K
Port P
Port S
Port T
Pin Numbers
84/82/80/78/7
83/81/79/77/7
36–39, 53–56
18–15, 7–4
6/74/72/70
5/73/71/69
102–103
104–105
102–103
112-pin
108-111
98–101
31–24
96–89
64-57
112,
1–3
13,
Freescale Semiconductor, Inc.
Table 3-3. Port Description Summary
For More Information On This Product,
DDRIB ($00E7)
DDRIB ($00E7)
Data Direction
DDRK ($00FD)
DDRS ($00D7)
DDRT ($00AF)
DDRA ($0002)
DDRB ($0003)
DDRE ($0009)
DDRP ($0057)
PCAN1[1] Out
PCAN0[1] Out
PE[7:2] In/Out
PCAN1[0] In
PCAN0[0] In
(Address)
PE[1:0] In
Register
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
Pinout and Signal Descriptions
In
In
Go to: www.freescale.com
Port A and port B pins are used for address and data in
DDRA and DDRB are not in the address map in expanded
Analog-to-digital converter 1 and general-purpose I/O.
Analog-to-digital converter 0 and general-purpose I/O.
PCAN1[1:0] are used with the MSCAN1 module and
PCAN0[1:0] are used with the MSCAN0 module and
General purpose I/O. PIB[7:6] are used with the I-Bus
General purpose I/O
Mode selection, bus control signals and interrupt service
Page index emulation signals in expanded or peripheral
General-purpose I/O. PP[3:0] are used with the pulse-width
Serial communications interfaces 1 and 0 and serial
General-purpose I/O when not enabled for input capture
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.
or peripheral modes.
cannot be used as general purpose I/O.
cannot be used as general purpose I/O.
module when enabled.
request signals; or general-purpose I/O.
mode or general-purpose I/O.
modulator when enabled.
peripheral interface subsystems; or general-purpose I/O.
and output compare in the timer and pulse accumulator
subsystem.
Description
Pinout and Signal Descriptions
Technical Data
Port Signals
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