MC68HC908GR8CDW Freescale Semiconductor, MC68HC908GR8CDW Datasheet - Page 306
MC68HC908GR8CDW
Manufacturer Part Number
MC68HC908GR8CDW
Description
IC MCU 8K FLASH 8MHZ 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908GR4CFAE.pdf
(408 pages)
Specifications of MC68HC908GR8CDW
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
17
Program Memory Size
7.5KB (7.5K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Serial Peripheral Interface (SPI)
Technical Data
306
CAPTURE STROBE
FOR REFERENCE
SPSCK; CPOL = 0
SPSCK; CPOL =1
SPSCK CYCLE #
FROM MASTER
SS
FROM SLAVE
;
TO SLAVE
MOSI
MISO
Figure 20-6. Transmission Format (CPHA = 1)
out (MISO), and master out/slave in (MOSI) pins are directly connected
between the master and the slave. The MISO signal is the output from
the slave, and the MOSI signal is the output from the master. The SS line
is the slave select input to the slave. The slave SPI drives its MISO
output only when its slave select input (SS) is at logic 0, so that only the
selected slave drives to the master. The SS pin of the master is not
shown but is assumed to be inactive. The SS pin of the master must be
high or must be reconfigured as general-purpose I/O not affecting the
SPI. See
its MOSI pin on the first SPSCK edge. Therefore, the slave uses the first
SPSCK edge as a start transmission signal. The SS pin can remain low
between transmissions. This format may be preferable in systems
having only one master and only one slave driving the MISO data line.
Freescale Semiconductor, Inc.
For More Information On This Product,
MSB
MSB
Mode Fault
1
Serial Peripheral Interface (SPI)
Go to: www.freescale.com
BIT 6
BIT 6
2
BIT 5
BIT 5
Error. When CPHA = 1, the master begins driving
3
BIT 4
BIT 4
4
BIT 3
BIT 3
5
BIT 2
BIT 2
6
BIT 1
BIT 1
7
MC68HC908GR8 — Rev 4.0
LSB
8
LSB
MOTOROLA
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