参数资料
型号: MC68HC11C0MFN2
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 65/76页
文件大小: 394K
代理商: MC68HC11C0MFN2
MOTOROLA
MC68HC11C0
68
MC68HC11C0TS/D
Figure 14 SPI Block Diagram
SPIE — Serial Peripheral Interrupt Enable
0 = SPI interrupts disabled
1 = SPI interrupts enabled
SPE — Serial Peripheral System Enable
0 = SPI off
1 = SPI on
SPCR — Serial Peripheral Control Register
$0028
Bit 7
654321
Bit 0
SPIE
SPE
MSTR
CPOL
CPHA
SPR1
SPR0
RESET:
000001
U
INTERNAL
MCU CLOCK
DIVIDER
÷2
÷4 ÷16 ÷32
SELECT
SPI CLOCK (MASTER)
8-BIT SHIFT REGISTER
READ DATA BUFFER
CLOCK
LOGIC
S
M
S
PIN
CONTROL
LOGIC
MISO/
PD2
MOSI/
PD3
SCK/
PD4
SS/
PD5
M
S
MSTR
SPE
DIO[5:2]
SPR1
SPR0
MSTR
SPE
SPIE
SPE
MSTR
CPHA
CPOL
SPR1
SPR0
SPCR SPI CONTROL REGISTER
SPIF
WCOL
MODF
SPSR SPI STATUS REGISTER
SPI CONTROL
INTERNAL
DATA BUS
SPI INTERRUPT
REQUEST
DOD[5:2]
DIO4
DIO3
DIO2
DIO1
DIO0
PORT D I/O CONTROL
DIO5
DOD4
DOD3
DOD2
DOD1
DOD0
PORT D OUTPUT MODE
DOD5
8
4
8
MSB
LSB
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