MC908AP64CFAE Freescale Semiconductor, MC908AP64CFAE Datasheet - Page 246
![IC MCU 64K 8MHZ SPI 48-LQFP](/photos/12/19/121958/mc908ap64cfae_sml.jpg)
MC908AP64CFAE
Manufacturer Part Number
MC908AP64CFAE
Description
IC MCU 64K 8MHZ SPI 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Specifications of MC908AP64CFAE
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
64KB (64K 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
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
48
Package Type
LQFP
Controller Family/series
HC08
No. Of I/o's
32
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08AP
Core
HC08
Data Bus Width
8 bit
Data Ram Size
2 KB
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908AP64E, M68CBL05CE
Minimum Operating Temperature
- 40 C
Package
48LQFP
Family Name
HC08
Maximum Speed
8 MHz
Operating Supply Voltage
3.3|5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908AP64CFAE
Manufacturer:
Freescale
Quantity:
3 359
Company:
Part Number:
MC908AP64CFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC908AP64CFAER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Analog-to-Digital Converter (ADC)
15.3 Functional Description
The ADC provides eight pins for sampling external sources at pins PTA0/ADC0–PTA7/ADC7. 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, high and low byte
(ADRH0 and ADRL0), and sets a flag or generates an interrupt.
An additional three ADC data registers (ADRL1–ADRL3) are available to store the individual converted
data for ADC channels ADC1–ADC3 when the auto-scan mode is enabled. Data from channel ADC0 is
stored in ADRL0 in the auto-scan mode.
Figure 15-2
15.3.1 ADC Port I/O Pins
PTA0–PTA7 are general-purpose I/O pins that are shared with the ADC channels. The channel select
bits, ADCH[4:0], 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 data register
or data direction register will not have any affect on the port pin that is selected by the ADC. Read of a
port pin which is in use by the ADC will return the pin condition if the corresponding DDR bit is at logic 0.
If the DDR bit is at logic 1, the value in the port data latch is read.
15.3.2 Voltage Conversion
When the input voltage to the ADC equals V
input voltage equals V
straight-line linear conversion. All other input voltages will result in $3FF if greater than V
if less than V
246
$005C
$005D
$005E
ADIN
). V
ADC Data Register Low 2
ADC Data Register Low 3
ADIN
ADC Auto-scan Control
shows the structure of the ADC module.
REFL
is converted by the successive approximation register-based analog-to-digital converter.
.
(ADASCR)
(ADRL3)
(ADRL3)
Register
Input voltage should not exceed the analog supply voltages.
REFL
, the ADC converts it to $000. Input voltages between V
Reset:
Reset:
Reset:
Read:
Read:
Read:
Write:
Write:
Write:
Figure 15-1. ADC I/O Register Summary
MC68HC908AP A-Family Data Sheet, Rev. 3
AD9
AD9
R
R
0
0
0
0
= Unimplemented
REFH
AD8
AD8
R
R
0
0
0
0
NOTE
, the ADC converts the signal to $3FF (full scale). If the
AD7
AD7
R
R
0
0
0
0
AD6
AD6
R
R
0
0
0
0
AD5
AD5
R
R
R
0
0
0
0
= Reserved
AUTO1
AD4
AD4
R
R
0
0
0
REFH
Freescale Semiconductor
and V
AUTO0
REFH
AD3
AD3
R
R
0
0
0
REFL
and $000
ASCAN
AD2
AD2
are a
R
R
0
0
0
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