MC908AP32CFAER Freescale Semiconductor, MC908AP32CFAER Datasheet - Page 249

• Manufacturer Part Number: MC908AP32CFAER
• Description: IC MCU 32K FLASH 8MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908AP32CFAER

• 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: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K 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: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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.
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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
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