MCCIRM Freescale Semiconductor / Motorola, MCCIRM Datasheet - Page 42

• Manufacturer Part Number: MCCIRM
• Description: MCCIRM Multi-Channel Communications Interface Reference Manual
• Manufacturer: Freescale Semiconductor / Motorola

SPI Submodule
Reference Manual
42
SPI STAUS REGISTER
MCU CLOCK
INTERNAL
MODULUS
COUNTER
SELECT
SPI CONTROL
SPI INTERRUPT
Figure 4-1. SPI Submodule Block Diagram
SPI CLOCK (MASTER)
REQUEST
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MSTR
SPIE
SPE
INTERNAL
DATA BUS
MSB
8/16-BIT SHIFT REGISTER
SPI Submodule
READ DATA BUFFER
CONTROL
LOGIC
SHIFT
SPI CONTROL REGISTER
CLOCK
LOGIC
Multichannel Communication Interface — Rev. 1.0
LSB
CLOCK
S
S
S
M
M
M
CONTROL
LOGIC
PIN
MOTOROLA
MISO/
PMC0
MOSI/
PMC1
PMC2
PMC3
SCK/
SS/