MC68HC11KA Motorola, MC68HC11KA Datasheet - Page 31

• Manufacturer Part Number: MC68HC11KA
• Description: 8-Bit Microcontroller
• Manufacturer: Motorola

6 Parallel Input/Output
ROMAD — ROM Mapping Control
Bit 6 — Not implemented
CLKX — XOUT Clock Enable
PAREN — Pull-Up Assignment Register Enable
NOSEC — Security Disable
NOCOP — COP System Disable
ROMON — ROM/EPROM Enable
EEON — EEPROM Enable
MC68HC11KA4
MC68HC11KA4TS/D
The MC68HC11KA4/KA2 has up to 51 input/output lines, depending on the operating mode. To en-
hance the I/O functions, the data bus of this microcontroller is non-multiplexed. The following table is a
summary of the configuration and features of each port.
* Only four pins on 64-pin version.
Refer to 2 Operating Modes and On-Chip Memory.
Always reads one
Refer to 2 Operating Modes and On-Chip Memory.
Refer to 2 Operating Modes and On-Chip Memory.
Refer to 5 Resets and Interrupts.
Refer to 2 Operating Modes and On-Chip Memory.
Refer to 2 Operating Modes and On-Chip Memory.
CONFIG — COP, ROM Mapping, EEPROM Enables
RESET:
0 = Pull-ups always disabled regardless of state of bits in PPAR
1 = Pull-ups either enabled or disabled through PPAR
Port C
Port D
Port G
Port H
Port A
Port B
Port E
Port F
Port
ROMAD
Bit 7
—
Input Pins
—
—
—
—
8*
—
—
—
—
1
6
Output Pins
CLKX
—
—
—
—
—
—
—
—
—
5
PAREN
Bidirectional Pins
—
4
—
8
8
8
6
8
1
4
NOSEC
—
3
NOCOP
Timer
High Order Address
Data Bus
SCI and SPI
A/D Converter
Low Order Address
R/W Signal
PWMs
—
2
Shared Functions
ROMON
—
1
EEON
Bit 0
MOTOROLA
$003F
—
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