ST92141 STMicroelectronics, ST92141 Datasheet - Page 136

• Manufacturer Part Number: ST92141
• Description: 8/16-bit Mcu For 3-phase Ac Motor Control
• Manufacturer: STMicroelectronics

ST92141 - SERIAL PERIPHERAL INTERFACE (SPI)
SERIAL PERIPHERAL INTERFACE (Cont’d)
Figure 73. Serial Peripheral Interface Block Diagram
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ST9 PERIPHERAL
CLOCK (INTCLK)
MOSI
MISO
SCK
9
SS
1/2
8-Bit Shift Register
Read
Read Buffer
Write
0
1
Internal Bus
PRESCALER
CONTROL
SERIAL
CLOCK
GENERATOR
MASTER
/1 .. /8
DR
SPIE SPOE SPIS MSTR
SPIF WCOL
CONTROL
STATE
SPI
-
DIV2
MODF
CPOL
-
PRS2
CPHA
-
PRS1
1
0
SPR1
-
PRS0
CR
PR
request
SR
Ext. INT
IT
SPR0
-