MC908AZ32ACFU Freescale Semiconductor, MC908AZ32ACFU Datasheet - Page 243

• Manufacturer Part Number: MC908AZ32ACFU
• Description: IC MCU 32K FLASH 8.4MHZ 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908AZ32ACFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: CAN, SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 40
• 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 15x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Chapter 23
I/O Ports
23.1 Introduction
On the MC68HC908AZ32A, fifty bidirectional input/output (I/O) form seven parallel ports. All I/O pins are
programmable as inputs or outputs.
Freescale Semiconductor
$000A
$000B
$000C
$000D
$000E
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000F
Addr.
Data Direction Register G (DDRG)
Data Direction Register C (DDRC) MCLKEN
Data Direction Register D (DDRD)
Data Direction Register H (DDRH)
Data Direction Register A (DDRA)
Data Direction Register B (DDRB)
Data Direction Register E (DDRE)
Data Direction Register F (DDRF)
Port G Data Register (PTG)
Port C Data Register (PTC)
Port D Data Register (PTD)
Port H Data Register (PTH)
Port A Data Register (PTA)
Port B Data Register (PTB)
Port E Data Register (PTE)
Port F Data Register (PTF)
Connect any unused I/O pins to an appropriate logic level, either V
V
termination reduces excess current consumption and the possibility of
electrostatic damage.
Register Name
SS
. Although the I/O ports do not require termination for proper operation,
Figure 23-1. I/O Port Register Summary
DDRA7
DDRB7
DDRD7
DDRE7
MC68HC908AZ32A Data Sheet, Rev. 2
PTD7
PTA7
PTB7
PTE7
Bit 7
0
0
0
0
0
0
0
DDRA6
DDRB6
DDRD6
DDRE6
DDRF6
PTD6
PTA6
PTB6
PTE6
PTF6
6
0
0
0
0
0
0
NOTE
DDRA5
DDRB5
DDRC5
DDRD5
DDRE5
DDRF5
PTC5
PTD5
PTA5
PTB5
PTE5
PTF5
5
0
0
0
0
DDRA4
DDRB4
DDRC4
DDRD4
DDRE4
DDRF4
PTC4
PTA4
PTB4
PTD4
PTE4
PTF4
4
0
0
0
0
DDRC3
DDRD3
DDRA3
DDRB3
DDRE3
DDRF3
PTA3
PTB3
PTC3
PTD3
PTE3
PTF3
3
0
0
0
0
DDRC2
DDRD2
DDRG2
DDRA2
DDRB2
DDRE2
DDRF2
PTA2
PTB2
PTC2
PTD2
PTE2
PTG2
PTF2
DD
2
0
0
or
DDRG1
DDRA1
DDRB1
DDRC1
DDRD1
DDRE1
DDRF1
DDRH1
PTA1
PTB1
PTC1
PTD1
PTE1
PTG1
PTH1
PTF1
1
DDRG0
DDRA0
DDRB0
DDRC0
DDRD0
DDRE0
DDRF0
DDRH0
PTA0
PTB0
PTC0
PTD0
PTE0
PTG0
PTH0
PTF0
Bit 0
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