MC68HC908GP32CP Freescale Semiconductor, MC68HC908GP32CP Datasheet - Page 217

• Manufacturer Part Number: MC68HC908GP32CP
• Description: IC MCU 8MHZ 32K FLASH 40-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GP32CP

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 33
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• For Use With: M68EVB908GP32 - BOARD EVALUATION FOR HC908GP32
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

16.3 Port A
16.3.1 Port A Data Register
MC68HC908GP32
MOTOROLA
•
MC68HC08GP32
Function:
Address:
Alternate
Port A is an 8-bit special-function port that shares all eight of its pins with
the keyboard interrupt (KBI) module. Port A also has software
configurable pullup devices if configured as an input port.
The port A data register (PTA) contains a data latch for each of the eight
port A pins.
PTA7–PTA0 — Port A Data Bits
KBD7–KBD0 — Keyboard Inputs
Reset:
Read:
Write:
These read/write bits are software programmable. Data direction of
each port A pin is under the control of the corresponding bit in data
direction register A. Reset has no effect on port A data.
The keyboard interrupt enable bits, KBIE7–KBIE0, in the keyboard
interrupt control register (KBICR) enable the port A pins as external
interrupt pins.
—
$0000
KBD7
PTA7
Bit 7
Rev. 6
Figure 16-2. Port A Data Register (PTA)
Input/Output (I/O) Ports
KBD6
PTA6
See Section 13. Keyboard Interrupt Module
6
KBD5
PTA5
5
Unaffected by reset
KBD4
PTA4
4
KBD3
PTA3
3
KBD2
PTA2
2
Input/Output (I/O) Ports
KBD1
PTA1
1
Technical Data
(KBI).
KBD0
PTA0
Bit 0
Port A
215