MC908GT16CBE Freescale Semiconductor, MC908GT16CBE Datasheet - Page 159
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MC908GT16CBE
Manufacturer Part Number
MC908GT16CBE
Description
IC MCU 16K FLASH 8MHZ SPI 42SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GT8CFBE.pdf
(292 pages)
Specifications of MC908GT16CBE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
36
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Controller Family/series
HC08
No. Of I/o's
34
Ram Memory Size
512Byte
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08GT
Core
HC08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
30
Number Of Timers
4
Operating Supply Voltage
0 V to 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68CBL05CE, M68EML08GPGTE
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 8 Channel
Package
42SPDIP
Family Name
HC08
Maximum Speed
8 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Slow Data Tolerance
Figure 14-8
or a framing error. The slow stop bit begins at RT8 instead of RT1 but arrives in time for the stop bit data
samples at RT8, RT9, and RT10.
For an 8-bit character, data sampling of the stop bit takes the receiver 9 bit times × 16 RT cycles
+ 10 RT cycles = 154 RT cycles.
With the misaligned character shown in
the count of the transmitting device is 9 bit times × 16 RT cycles + 3 RT cycles = 147 RT cycles.
The maximum percent difference between the receiver count and the transmitter count of a slow 8-bit
character with no errors is:
For a 9-bit character, data sampling of the stop bit takes the receiver 10 bit times × 16 RT cycles
+ 10 RT cycles = 170 RT cycles.
With the misaligned character shown in
the count of the transmitting device is 10 bit times × 16 RT cycles + 3 RT cycles = 163 RT cycles.
The maximum percent difference between the receiver count and the transmitter count of a slow 9-bit
character with no errors is:
Fast Data Tolerance
Figure 14-9
or a framing error. The fast stop bit ends at RT10 instead of RT16 but is still there for the stop bit data
samples at RT8, RT9, and RT10.
Freescale Semiconductor
shows how much a slow received character can be misaligned without causing a noise error
shows how much a fast received character can be misaligned without causing a noise error
RECEIVER
RT CLOCK
RECEIVER
RT CLOCK
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
MSB
Figure
Figure
Figure 14-8. Slow Data
154 147
------------------------- -
170 163
------------------------- -
Figure 14-9. Fast Data
154
170
STOP
–
–
14-8, the receiver counts 154 RT cycles at the point when
14-8, the receiver counts 170 RT cycles at the point when
×
×
100
100
DATA SAMPLES
DATA SAMPLE
=
=
4.54%
4.12%
IDLE OR NEXT CHARACTER
STOP
Functional Description
159
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