Beckhoff ET1200 User Manual download pdf (Page 44)

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PDI Description

III-34 Slave Controller – ET1200 Hardware Description

SOF

DATA

Input DATA

SOF_to_DATA_setup

SOF

SOF_to_DATA_hold

Figure 10: Digital Input: Input data sampled at SOF, I/O can be read in the same frame

LATCH_IN

DATA

Input DATA

DATA_hold

DATA_setup

LATCH_IN

Input_event_delay

Figure 11: Digital Input: Input data sampled with LATCH_IN

OUTVALID

DATA

DATA_to_OUTVALID

Output DATA

OUTVALID

Zero or High-Impedance

OE_EXT_to_DATA_invalid

OE_EXT

WD_TRIG

DATA_to_WD_TRIG

output_event_delay

Figure 12: Digital Output timing

OUTVALID

DATA

Input data

BIDIR_DATA_valid

Input data

BIDIR_DATA_invalid

OUTVALID

Input events

BIDIR_event_delay

Output data

BIDIR_event_delay

Input events

allowed

Input events

allowed

No input events allowed

Figure 13: Bidirectional Mode timing

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 69 70

Reset Core 3
1 Overview 11
Figure 2: Frame Processing 12
2 Features and Registers 14
(0x0108:0x0109) 15
Table 5: Legend 16
Table 6: Legend 17
Table 7: Register Overview 17
3 Pin Description 20
3.1.2 Signal Overview 21
Pin Description 21
Pin Description 22
3.1.3 PDI Signal Overview 22
Table 14: CLK_25OUT Enable 24
Table 15: PHY Address Offset 24
Table 16: SII EEPROM Size 24
Table 17: General pins 25
Table 18: SII EEPROM pins 25
Table 24: PDI pins 30
3.8.1 Digital I/O Pin Out 31
3.8.2 SPI Pin Out 31
Table 30: Power supply 33
4 MII Interface 34
RX_D[3:0] 37
5 EBUS/LVDS Interface 38
6 PDI Description 39
I/O[15:0] 40
LATCH_IN/SOF 40
OUTVALID/WD_TRIG 40
Digital output pins 41
OUTVALID 44
Table 38: SPI signals 45
Table 40: Address modes 46
SPI_DO (MISO) 49
SPI_DI (MOSI) 49
SPI_CLK* 49
PDI Description 50
SPI mode 1/3 SPI mode 0/2 51
EtherCAT 53
SYNC/LATCH[1:0] 53
EEPROM_DATA 54
EEPROM_CLK 54
EEPROM_SIZE 54
Ethernet 55
ET1200 Ethernet 56
ET1200 and PHY 57
EBUS_RX 58
EBUS_RX+ 58
Table 52: AC Characteristics 62
POR_Sampe 63
Table 53: Forwarding Delays 64
Figure 33: Package Outline 65
Storage 67
Preheating Soldering Cooling 68
12 Appendix 70

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Beckhoff ET1200 User Manual Page 44

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