参数资料
型号: MC68HC11ED0CFN2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 90/108页
文件大小: 1672K
代理商: MC68HC11ED0CFN2
Technical Summary
MC68HC11ED0 — Rev. 1.0
Serial Peripheral Interface (SPI)
Serial Peripheral Interface (SPI)
Figure 8-1. SPI Block Diagram
8/16-BIT SHIFT REGISTER
READ DATA BUFFER
MSB
LSB
MISO
PD2
MOSI
PD3
SCK
PD4
SS
PD5
DIVIDER
÷2 ÷4 ÷16 ÷32
INTERNAL
MCU CLOCK
SELECT
S
M
S
M
P
IN
CO
NT
RO
L
LO
G
IC
CLOCK
LOGIC
CLOCK
SP
IE
SP
E
DWO
M
MS
TR
CP
O
L
CP
HA
SP
R
1
SP
R
0
SPI CONTROL REGISTER
MS
T
R
SPE
DW
O
M
SPR
0
SPR
1
MSTR
SPE
SPI CONTROL
SP
IF
WCO
L
MO
DE
SPI STATUS REGISTER
SPI INTERRUPT
REQUEST
INTERNAL
DATA BUS
8
F
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sc
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S
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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