参数资料
型号: ST72121J2T3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, TQFP-44
文件页数: 79/87页
文件大小: 1365K
代理商: ST72121J2T3/XXX
80/87
ST72121
PERIPHERAL CHARACTERISTICS (Cont’d)
Measurement points are VOL,VOH,VIL and VIH in the SPI Timing Diagram
Figure 42. SPI Master Timing Diagram CPHA=0, CPOL=1
Figure 43. SPI Master Timing Diagram CPHA=1, CPOL=0
Figure 44. SPI Master Timing Diagram CPHA=1, CPOL=1
1
6
7
10
11
12
13
SS
(INPUT)
SCK
(OUTPUT)
MISO
MOSI
(INPUT)
(OUTPUT)
4
5
VR000110
D7-OUT
D6-OUT
D0-OUT
D7-IN
D6-IN
D0-IN
1
6
7
10
11
12
13
SS
(INPUT)
SCK
(OUTPUT)
MISO
MOSI
(INPUT)
(OUTPUT)
5
4
VR000107
D7-IN
D6-IN
D0-IN
D7-OUT
D6-OUT
D0-OUT
1
6
7
10
11
12
13
SS
(INPUT)
SCK
(OUTPUT)
MISO
MOSI
(INPUT)
(OUTPUT)
4
5
VR000108
D7-OUT
D6-OUT
D0-OUT
D7-IN
D6-IN
D0-IN
80
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