MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 285
MC68HC708AS48
Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
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18.4 Pin Name and Register Name Conventions
MC68HC708AS48
MOTOROLA
—
Rev. 4.0
The generic names of the SPI input/output (I/O) pins are:
The SPI shares four I/O pins with a parallel I/O port. The full name of an
SPI pin reflects the name of the shared port pin.
full names of the SPI I/O pins. The generic pin names appear in the text
that follows.
The generic names of the SPI I/O registers are:
Table 18-2
Full SPI Pin Name:
SPI Generic Pin Name:
•
•
•
•
•
•
•
SS (slave select)
SPSCK (SPI serial clock)
MOSI (master out slave in)
MISO (master in slave out)
SPI control register (SPCR)
SPI status and control register (SPSCR)
SPI data register (SPDR)
Serial Peripheral Interface (SPI)
shows the names and the addresses of the SPI I/O registers.
SPI control register (SPCR)
SPI status and control
SPI data register (SPDR)
Table 18-2. I/O Register Addresses
Table 18-1. Pin Name Conventions
register (SPSCR)
PTE5/MISO
Register Name
MISO
Pin Name and Register Name Conventions
PTE6/MOSI
MOSI
Serial Peripheral Interface (SPI)
Address
PTE4/SS
Table 18-1
$0010
$0011
$0012
SS
Advance Information
PTE7/SPSCK
shows the
SPSCK
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