MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 312

• Manufacturer Part Number: MC68HC908AB32CFU
• Description: IC MCU 8MHZ 32K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908AB32CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM
• Number Of I /o: 51
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Input/Output (I/O) Ports
17.2 Introduction
Technical Data
312
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
Data Direction Register C
Data Direction Register D
Data Direction Register A
Data Direction Register B
Register Name
Port C Data Register
Port D Data Register
Port A Data Register
Port B Data Register
NOTE:
(DDRC)
(DDRD)
(DDRA)
(DDRB)
(PTA)
(PTB)
(PTC)
(PTD)
Fifty-one bidirectional input-output (I/O) pins form eight parallel ports. All
I/O pins are programmable as inputs or outputs.
Connect any unused I/O pins to an appropriate logic level, either V
V
operation, termination reduces excess current consumption and the
possibility of electrostatic damage.
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
SS
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Figure 17-1. I/O Port Register Summary
. Although the I/O ports do not require termination for proper
MCLKEN
DDRA7
DDRB7
DDRD7
PTD7
PTA7
PTB7
Bit 7
0
0
0
0
0
Input/Output (I/O) Ports
DDRA6
DDRB6
DDRD6
PTA6
PTB6
PTD6
6
0
0
0
0
0
0
DDRA5
DDRB5
DDRC5
DDRD5
PTA5
PTB5
PTC5
PTD5
5
0
0
0
0
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
DDRA4
DDRB4
DDRC4
DDRD4
PTA4
PTB4
PTC4
PTD4
4
0
0
0
0
DDRA3
DDRB3
DDRC3
DDRD3
PTA3
PTB3
PTC3
PTD3
3
0
0
0
0
MC68HC908AB32
DDRC2
DDRD2
DDRA2
DDRB2
PTA2
PTB2
PTC2
PTD2
Freescale Semiconductor
0
0
0
0
2
DDRC1
DDRD1
DDRA1
DDRB1
PTA1
PTB1
PTC1
PTD1
1
0
0
0
0
—
DDRC0
DDRD0
Rev. 1.1
DDRA0
DDRB0
PTA0
PTB0
PTC0
PTD0
Bit 0
DD
0
0
0
0
or