MC68908GZ8MFAE Freescale Semiconductor, MC68908GZ8MFAE Datasheet - Page 52
![IC MCU 8BIT 8K FLASH 48-LQFP](/photos/37/62/376278/tqfp-48_sml.jpg)
MC68908GZ8MFAE
Manufacturer Part Number
MC68908GZ8MFAE
Description
IC MCU 8BIT 8K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68908GZ8CFJER.pdf
(314 pages)
Specifications of MC68908GZ8MFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, LIN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-LQFP
Processor Series
M689xx
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPI, SCI, CAN
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
37
Number Of Timers
2
Operating Supply Voltage
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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- Download datasheet (5Mb)
Analog-to-Digital Converter (ADC)
3.6.1 Wait Mode
The ADC continues normal operation during wait mode. Any enabled CPU interrupt request from the ADC
can bring the MCU out of wait mode. If the ADC is not required to bring the MCU out of wait mode, power
down the ADC by setting ADCH4–ADCH0 bits in the ADC status and control register before executing the
WAIT instruction.
3.6.2 Stop Mode
The ADC module is inactive after the execution of a STOP instruction. Any pending conversion is aborted.
ADC conversions resume when the MCU exits stop mode after an external interrupt. Allow one
conversion cycle to stabilize the analog circuitry.
3.7 I/O Signals
The ADC module has eight pins shared with port B, PTB7/AD7–PTB0/AD0.
3.7.1 ADC Analog Power Pin (V
The ADC analog portion uses V
potential as V
V
3.7.2 ADC Analog Ground Pin (V
The ADC analog portion uses V
potential as V
V
3.7.3 ADC Voltage Reference High Pin (V
The ADC analog portion uses V
pin to the same voltage potential as V
good results. Any noise present on this pin will be reflected and possibly magnified in A/D conversion
values.
V
52
DDAD
SSAD
DDAD
and V
and V
and V
REFL
REFH
REFH
DD
SS
For maximum noise immunity, route V
capacitors as close as possible to the package.
For maximum noise immunity, route V
capacitors as close as possible to the package. Routing V
parallel to V
.
. External filtering may be necessary to ensure clean V
are double-bonded on the MC68HC908GZ16.
are double-bonded on the MC68HC908GZ16.
are double-bonded on the MC68HC908GZ16.
REFL
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Route V
DDAD
SSAD
REFH
may improve common mode noise rejection.
SSAD
DDAD
DD
as its ground pin. Connect the V
as its upper voltage reference pin. By default, connect the V
as its power pin. Connect the V
SSAD
. External filtering is often necessary to ensure a clean V
cleanly to avoid any offset errors.
)
)
REFH
NOTE
NOTE
NOTE
DDAD
REFH
)
carefully and place bypass
carefully and place bypass
DDAD
SSAD
DDAD
REFH
pin to the same voltage
pin to the same voltage
for good results.
close and
Freescale Semiconductor
REFH
REFH
for
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