XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 287

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

19.4 Pin Name and Register Name Conventions
MC68HC908AZ60A — Rev 2.0
MOTOROLA
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 19-2
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 Register (SPSCR)
SPI Data Register (SPDR)
Table 19-2. I/O Register Addresses
Table 19-1. Pin Name Conventions
PTE5/MISO
Register Name
MISO
Pin Name and Register Name Conventions
PTE6/MOSI
MOSI
Serial Peripheral Interface (SPI)
PTE4/SS
Table 19-1
Address
SS
$0010
$0012
$0011
PTE7/SPSCK
Technical Data
shows the
SPSCK
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