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ST72E331 Datasheet(PDF) 101 Page - STMicroelectronics

Part # ST72E331
Description  8-BIT MCU WITH 8 TO 16K OTP/EPROM, 256 EEPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS
PDF  107 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72E331 Datasheet(HTML) 101 Page - STMicroelectronics

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ST72E331 ST72T331
PERIPHERAL CHARACTERISTICS (Cont’d)
Measurement points are VOL, VOH, VIL and VIH in the SPI Timing Diagram
Figure 54. SPI Slave Timing Diagram CPHA=0, CPOL=0
Figure 55. SPI Slave Timing Diagram CPHA=0, CPOL=1
Figure 56. SPI Slave Timing Diagram CPHA=1, CPOL=0
Figure 57. SPI Slave Timing Diagram CPHA=1, CPOL=1
1
6
7
10
11
12
13
SS
(INPUT)
SCK
MISO
MOSI
(INPUT)
(OUTPUT)
5
4
(INPUT)
2
3
8
9
HIGH-Z
VR000113
D7-IN
D6-IN
D0-IN
D7-OUT
D6-OUT
D0-OUT
1
6
7
10
11
12
13
SS
(INPUT)
SCK
MISO
MOSI
(INPUT)
(OUTPUT)
5
4
(INPUT)
2
3
8
9
HIGH-Z
VR000114
D7-IN
D6-IN
D0-IN
D7-OUT
D6-OUT
D0-OUT
1
6
7
10
11
12
13
SS
(INPUT)
SCK
MISO
MOSI
(INPUT)
(OUTPUT)
5
4
(INPUT)
2
3
8
9
HIGH-Z
VR000111
D7-OUT
D6-OUT
D0-OUT
D7-IN
D6-IN
D0-IN
1
6
7
10
11
12
13
SS
(INPUT)
SCK
MISO
MOSI
(INPUT)
(OUTPUT)
54
(INPUT)
2
3
8
9
HIGH-Z
D7-OUT
D6-OUT
D0-OUT
D7-IN
D6-IN
D0-IN
VR000112



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