Datasheet

Serial Peripheral Interface (SPI)
MC68HC711D3 Data Sheet, Rev. 2.1
78 Freescale Semiconductor
Figure 7-1. SPI Block Diagram
SPR0 SPR1 CPOL CPHA MSTR DWOM SPE SPIE
SPI CONTROL REGISTER
MODF WCOL SPIF
SPI STATUS REGISTER
8-BIT SHIFT REGISTER
READ DATA BUFFER
MSB LSB
INTERNAL
DATA BUS
SPI INTERRUPT
REQUEST
MSTR
SPE
MSTR DWOM SPE
SPR0
SPI CLOCK (MASTER)
SPI CONTROL
SELECT
DIVIDER
PH2
(INTERNAL)
CLOCK
LOGIC
CLOCK
PIN CONTROL LOGIC
S
M
M
S
S
M
MISO
PD2
MOSI
PD3
SCK
PD4
SS
PD5
SPR1
÷2 ÷4 ÷16 ÷32
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