参数资料
型号: MC68HC05C9EFB
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封装: QFP-44
文件页数: 34/144页
文件大小: 1628K
代理商: MC68HC05C9EFB
Electrical Specifications
Serial Peripheral Interface Timing
MC68HC05C9E
Advance Information
MOTOROLA
Electrical Specifications
129
N
O
N-D
I
SC
L
O
SU
R
E
AG
R
EEMENT
R
E
Q
U
IR
ED
Figure 12-9. SPI Master Timing Diagram
NOTE
SS pin of master held high.
MSB IN
SS
INPUT
SCK (CPOL = 0)
OUTPUT
SCK (CPOL = 1)
OUTPUT
MISO
INPUT
MOSI
OUTPUT
NOTE
4
5
1
13
12
4
12
13
BITS 6–1
LSB IN
MASTER MSB OUT
BITS 6–1
MASTER LSB OUT
10 (ref)
13
11
10
12
11 (ref)
7
6
NOTE
SS pin of master held high.
MSB IN
SS
INPUT
SCK (CPOL = 0)
OUTPUT
SCK (CPOL = 1)
OUTPUT
MISO
INPUT
MOSI
OUTPUT
NOTE
4
5
1
13
12
4
13
BITS 6–1
LSB IN
MASTER MSB OUT
BITS 6–1
MASTER LSB OUT
10 (ref)
13
11
10
12
11
7
6
12
a) SPI Master Timing (CPHA = 0)
b) SPI Master Timing (CPHA = 1)
12
Note: This first clock edge is generated internally, but is not seen at the SCK pin.
Note: This last clock edge is generated internally, but is not seen at the SCK pin.
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