mc68hc705v12 Freescale Semiconductor, Inc, mc68hc705v12 Datasheet - Page 106

• Manufacturer Part Number: mc68hc705v12
• Description: M68hc05-based Mcu Hc05 Freescale Semiconductor
• Manufacturer: Freescale Semiconductor, Inc

Serial Peripheral Interface (SPI)
Advance Information
INTERNAL
MCU CLOCK
Figure 10-3. Serial Peripheral Interface Master-Slave Interconnection
2
GENERATOR
SPI CLOCK
SPI STATUS REGISTER
DIVIDER
SELECT
4
SPI CONTROL
Figure 10-2. Serial Peripheral Interface Block Diagram
16
8-BIT SHIFT REGISTER
SPI INTERRUPT
32
REQUEST
(MASTER)
SPI CLOCK
MASTER
Freescale Semiconductor, Inc.
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Serial Peripheral Interface (SPI)
MSTR
SPE
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MSB
INTERNAL
DATA BUS
READ DATA BUFF
8-BIT SHIFT REG
MISO
MOSI
SCK
SPI CONTROL REGISTER
CLOCK
LOGIC
LSB
CLOCK
MISO
MOSI
SCK
8-BIT SHIFT REGISTER
S
M
M
M
S
S
SLAVE
MC68HC705V12
PB2/
MISO
PB3/
MOSI
PB1/
SCK
PB0/
SS
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Rev. 3.0