MC68HC908AP8CB Freescale Semiconductor, MC68HC908AP8CB Datasheet - Page 249
MC68HC908AP8CB
Manufacturer Part Number
MC68HC908AP8CB
Description
IC MCU 8K FLASH 8MHZ 42SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AP8CFBE.pdf
(324 pages)
Specifications of MC68HC908AP8CB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
8KB (8K 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 ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Chapter 15
Analog-to-Digital Converter (ADC)
15.1 Introduction
This section describes the analog-to-digital converter (ADC). The ADC is a 8-channel 10-bit linear
successive approximation ADC.
15.2 Features
Features of the ADC module include:
Freescale Semiconductor
$0057
$0058
$0059
$005A
$005B
Addr.
•
•
•
•
•
•
•
•
•
Eight channels with multiplexed input
High impedance buffered input
Linear successive approximation with monotonicity
10-bit resolution
Single or continuous conversion
Auto-scan conversion on four channels
Conversion complete flag or conversion complete interrupt
Selectable ADC clock
Conversion result justification
–
–
–
–
ADC Data Register High 0
ADC Data Register Low 0
ADC Data Register Low 1
ADC Status and Control
8-bit truncated mode
Right justified mode
Left justified mode
Left justified sign mode
Register Name
ADC Clock Control
(ADICLK)
(ADSCR)
(ADRH0)
(ADRL0)
(ADRL1)
Register
Register
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Figure 15-1. ADC I/O Register Summary
MC68HC908AP Family Data Sheet, Rev. 4
COCO
ADIV2
Bit 7
AD9
ADx
ADx
R
R
R
0
0
0
0
0
ADIV1
AIEN
ADx
ADx
AD8
R
R
R
6
0
0
0
0
0
ADCO
ADIV0
ADx
ADx
AD7
R
R
R
5
0
0
0
0
0
ADICLK
ADCH4
ADx
ADx
AD6
R
R
R
4
1
0
0
0
0
MODE1
ADCH3
ADx
ADx
AD5
R
R
R
3
1
0
0
0
0
MODE0
ADCH2
ADx
ADx
AD4
R
R
R
2
1
1
0
0
0
ADCH1
ADx
ADx
AD3
R
R
R
1
1
0
0
0
0
0
ADCH0
Bit 0
AD2
ADx
ADx
R
R
R
R
1
0
0
0
0
0
247
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