MC68908GZ8VFAE Freescale Semiconductor, MC68908GZ8VFAE Datasheet - Page 49
![IC MCU 8BIT 8K FLASH 48-LQFP](/photos/37/62/376278/tqfp-48_sml.jpg)
MC68908GZ8VFAE
Manufacturer Part Number
MC68908GZ8VFAE
Description
IC MCU 8BIT 8K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68908GZ8CFJER.pdf
(314 pages)
Specifications of MC68908GZ8VFAE
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 ~ 105°C
Package / Case
48-LQFP
Processor Series
M689xx
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
ESCI, SPI, UART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
37
Number Of Timers
2
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68908GZ8VFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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3.3.2 Voltage Conversion
When the input voltage to the ADC equals V
input voltage equals V
straight-line linear conversion.
Freescale Semiconductor
INTERNAL
DATA BUS
The ADC input voltage must always be greater than V
V
Connect the V
connect the V
The V
AIEN
DDAD
INTERRUPT
LOGIC
DDAD
.
COCO
READ DDRBx
WRITE DDRBx
WRITE PTBx
READ PTBx
REFL
,
pin should be routed carefully for maximum noise immunity.
CONVERSION
BUS CLOCK
COMPLETE
the ADC converts it to $000. Input voltages between V
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
RESET
CGMXCLK
SSAD
DDAD
pin to the same voltage potential as the V
pin to the same voltage potential as the V
Figure 3-2. ADC Block Diagram
ADIV2–ADIV0
ADC DATA REGISTER
GENERATOR
DDRBx
REFH
PTBx
CLOCK
ADC
ADC CLOCK
ADICLK
, the ADC converts the signal to $3FF (full scale). If the
NOTE
VOLTAGE IN
(V
ADC
ADIN
DISABLE
)
DISABLE
SSAD
CHANNEL
SELECT
and less than
ADC CHANNEL x
SS
PTBx
DD
pin.
ADCH4–ADCH0
pin, and
REFH
Functional Description
and V
REFL
are a
49
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