MC9S08AW16MFGE Freescale Semiconductor, MC9S08AW16MFGE Datasheet - Page 81

• Manufacturer Part Number: MC9S08AW16MFGE
• Description: IC MCU 8BIT 16K FLASH 44-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS08r

Specifications of MC9S08AW16MFGE

• Core Processor: HCS08
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Chapter 6
Parallel Input/Output
6.1
This chapter explains software controls related to parallel input/output (I/O). The MC9S08AW60 has
seven I/O ports which include a total of 54 general-purpose I/O pins. See
Connections” for more information about the logic and hardware aspects of these pins.
Many of these pins are shared with on-chip peripherals such as timer systems, communication systems, or
keyboard interrupts. When these other modules are not controlling the port pins, they revert to
general-purpose I/O control.
Pins that are not used in the application must be terminated. This prevents excess current caused by floating
inputs and enhances immunity during noise or transient events. Termination methods include:
Never connect unused pins to V
6.2
Parallel I/O and Pin Control features, depending on package choice, include:
Freescale Semiconductor
1
x = Don’t care
(Pull Enable)
•
•
•
•
•
PTxPEn
Configuring unused pins as outputs driving high or low
Configuring unused pins as inputs and using internal or external pullups
A total of 54 general-purpose I/O pins in seven ports
Hysteresis input buffers
Software-controlled pullups on each input pin
0
1
x
1
1
0
Introduction
Features
(Data Direction)
PTxDDn
0
0
1
x
x
x
DD
Table 6-1. KBI and Parallel I/O Interaction
(KBI Pin Enable)
or V
KBIPEn
MC9S08AW60 Data Sheet, Rev 2
SS
0
0
0
1
1
1
.
(KBI Edge Select)
KBEDGn
x
x
x
0
1
x
1
disabled
disabled
disabled
disabled
Chapter 2, “Pins and
enabled
enabled
Pullup
Pulldown
disabled
disabled
disabled
disabled
disabled
enabled
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