ST92F124R1 STMicroelectronics, ST92F124R1 Datasheet - Page 251

• Manufacturer Part Number: ST92F124R1
• Description: 8/16-bit Single Voltage Flash Mcu Family With Ram, E?? Emulated Eeprom , Can 2.0b And J1850 Blpd
• Manufacturer: STMicroelectronics

SERIAL PERIPHERAL INTERFACE (Cont’d)
Figure 121. Serial Peripheral Interface Block Diagram
ST9 PERIPHERAL
CLOCK (INTCLK)
MOSI
MISO
SCK
SS
1/2
8-Bit Shift Register
Read
Read Buffer
Write
0
1
Internal Bus
PRESCALER
CONTROL
SERIAL
CLOCK
GENERATOR
MASTER
/1 .. /8
SPDR
SERIAL PERIPHERAL INTERFACE (SPI)
SPIE SPOE SPIS MSTR
SPIF WCOL
CONTROL
STATE
SPI
-
DIV2
MODF
CPOL
-
PRS2
CPHA
-
PRS1
1
0
SPR1
-
PRS0
SPCR
SPPR
request
SPSR
Ext. INT
251/429
IT
SPR0
-
9