MC68HC908GZ8MFA Freescale Semiconductor, MC68HC908GZ8MFA Datasheet - Page 47
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MC68HC908GZ8MFA
Manufacturer Part Number
MC68HC908GZ8MFA
Description
IC MCU 8K FLASH 8MHZ CAN 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68908GZ8CFJER.pdf
(314 pages)
Specifications of MC68HC908GZ8MFA
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, LIN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908GZ8MFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 3
Analog-to-Digital Converter (ADC)
3.1 Introduction
This section describes the 10-bit analog-to-digital converter (ADC).
3.2 Features
Features of the ADC module include:
3.3 Functional Description
The ADC provides eight pins for sampling external sources at pins PTB7/AD7–PTB0/AD0. An analog
multiplexer allows the single ADC converter to select one of eight ADC channels as ADC voltage in
(V
When the conversion is completed, ADC places the result in the ADC data register and sets a flag or
generates an interrupt. See
3.3.1 ADC Port I/O Pins
PTB7/AD7–PTB0/AD0 are general-purpose I/O (input/output) pins that share with the ADC channels. The
channel select bits define which ADC channel/port pin will be used as the input signal. The ADC overrides
the port I/O logic by forcing that pin as input to the ADC. The remaining ADC channels/port pins are
controlled by the port I/O logic and can be used as general-purpose I/O. Writes to the port register or data
direction register (DDR) will not have any affect on the port pin that is selected by the ADC. Read of a port
pin in use by the ADC will return a logic 0.
Freescale Semiconductor
ADIN
•
•
•
•
•
•
•
•
Eight channels with multiplexed input
Linear successive approximation with monotonicity
10-bit resolution
Single or continuous conversion
Conversion complete flag or conversion complete interrupt
Selectable ADC clock
Left or right justified result
Left justified sign data mode
). V
ADIN
is converted by the successive approximation register-based analog-to-digital converter.
Figure
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
3-2.
47
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