mc68hc08qa24 Freescale Semiconductor, Inc, mc68hc08qa24 Datasheet - Page 245

• Manufacturer Part Number: mc68hc08qa24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

18.4 Pin Name and Register Name Conventions
MC68HC08QA24
Freescale Semiconductor
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
SPI status and control register
SPI data register
Table 18-2. I/O Register Addresses
Table 18-1. Pin Name Conventions
PTE5/MISO
Register Name
MISO
PTE6/MOSI
MOSI
Serial Peripheral Interface (SPI)
Address
$0010
$0011
$0012
PTE4/SS
Table 18-1
SS
PTE7/SPSCK
Technical Data
shows the
SPSCK
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