MC908AP32CFBE Freescale, MC908AP32CFBE Datasheet - Page 259
MC908AP32CFBE
Manufacturer Part Number
MC908AP32CFBE
Description
Manufacturer
Freescale
Datasheet
1.MC908AP32CFBE.pdf
(324 pages)
Specifications of MC908AP32CFBE
Cpu Family
HC08
Device Core Size
8b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Total Internal Ram Size
2KB
# I/os (max)
32
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
44
Package Type
PQFP
Program Memory Type
Flash
Program Memory Size
32KB
Lead Free Status / RoHS Status
Compliant
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15.7.4 ADC Auto-Scan Mode Data Registers (ADRL1–ADRL3)
The ADC data registers 1 to 3 (ADRL1–ADRL3), are 8-bit registers for conversion results in 8-bit
truncated mode, for channels ADC1 to ADC3, when the ADC is operating in auto-scan mode
(MODE[1:0] = 00).
15.7.5 ADC Auto-Scan Control Register (ADASCR)
The ADC auto-scan control register (ADASCR) enables and controls the ADC auto-scan function.
AUTO[1:0] — Auto-Scan Mode Channel Select Bits
Freescale Semiconductor
$0059
$005A
Addr.
AUTO1 and AUTO0 form a 2-bit field which is used to define the number of auto-scan channels used
when in auto-scan mode. Reset clears these bits.
ADC Data Register High 0
ADC Data Register Low 0
Register Name
Address: ADRL1, $005B; ADRL2, $005C; and ADRL3, $005D
Address:
Reset:
Reset:
Read:
Read:
Write:
Write:
Figure 15-8 ADRH0 and ADRL0 in Left Justified Sign Data Mode
Figure 15-9. ADC Data Register Low 1 to 3 (ADRL1–ADRL3)
(ADRH0)
(ADRL0)
$005E
AD9
Figure 15-10. ADC Scan Control Register (ADASCR)
R
R
0
0
0
Reset:
Reset:
Read:
Read:
Write:
Write:
AUTO1
Table 15-4. Auto-scan Mode Channel Select
= Reserved
= Unimplemented
0
0
1
1
AD8
R
0
0
0
MC68HC908AP Family Data Sheet, Rev. 4
Bit 7
AD9
AD1
R
R
0
0
AUTO0
AD7
0
1
0
1
R
0
0
0
AD8
AD0
R
R
6
0
0
ADC0 only
ADC0 to ADC1
ADC0 to ADC2
ADC0 to ADC3
AD6
R
0
0
0
AD7
Auto-Scan Channels
R
R
5
0
0
0
AD5
R
R
0
0
0
AD6
R
R
4
0
0
0
= Reserved
AUTO1
AD4
R
0
0
AD5
R
R
3
0
0
0
AUTO0
AD3
R
0
0
AD4
R
R
2
0
0
0
ASCAN
AD2
R
0
0
AD3
R
R
1
0
0
0
I/O Registers
Bit 0
AD2
R
R
0
0
0
257
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