MC68HC908AP8CB Freescale Semiconductor, MC68HC908AP8CB Datasheet - Page 259
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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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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