ST72E311_01 Datasheet, PDF (95/101 Pages) STMicroelectronics – 8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS

ST72E311 ST72T311
PERIPHERAL CHARACTERISTICS (Cont’d)
Measurement points are V_OL, V_OH, V_IL and V_IH in the SPI Timing Diagram
Figure 51. SPI Slave Timing Diagram CPHA=0, CPOL=0
SS
(INPUT)
2
SCK
(INPUT)
MISO HIGH-Z
(OUTPUT) ₈
MOSI
(INPUT)
6
4
D7-OUT
10
D7-IN
7
1
13
5
D6-OUT
11
D6-IN
Figure 52. SPI Slave Timing Diagram CPHA=0, CPOL=1
12
3
D0-OUT
D0-IN
9
VR000113
SS
(INPUT)
2
SCK
(INPUT)
MISO HIGH-Z
(OUTPUT) ₈
MOSI
(INPUT)
6
5
D7-OUT
10
D7-IN
7
1
12
4
D6-OUT
11
D6-IN
Figure 53. SPI Slave Timing Diagram CPHA=1, CPOL=0
SS
(INPUT)
SCK
(INPUT)
MISO
(OUTPUT)
MOSI
(INPUT)
2
HIGH-Z
8
1
4
5
D7-OUT
10
D7-IN
6
7
13
D6-OUT
D6-IN
13
3
D0-OUT
D0-IN
9
VR000114
12
3
D0-OUT
11
9
D0-IN
VR000111
Figure 54. SPI Slave Timing Diagram CPHA=1, CPOL=1
SS
(INPUT)
SCK
(INPUT)
MISO
(OUTPUT)
MOSI
(INPUT)
2
HIGH-Z
8
1
5
4
D7-OUT
10
D7-IN
6
7
12
D6-OUT
D6-IN
13
3
D0-OUT
11
9
D0-IN
VR000112
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