Beckhoff EtherCAT IP Core for Altera FPGAs v3.0.10 Uživatelský manuál stáhnout pdf (Strana 120)

PDI Description

III-108 Slave Controller – IP Core for Altera FPGAs

10.3.8 Connection with 8 bit µControllers

If the ESC is connected to 8 bit µControllers, the BHE signal as well as the DATA[15:8] signals are not

used.

CS CS

ADR[15:0]

BUSY

ADR[15:0]

BUSY

DATA[15:8] (unused)

8 bit µController, async

EtherCAT device

IRQ IRQ

BHE (unused)

General purpose input EEPROM_Loaded

optional

DATA[7:0] DATA[7:0]

Figure 48: Connection with 8 bit µControllers (BHE and DATA[15:8] should not be left open)

1 2 ... 115 116 117 118 119 120 121 122 123 124 125 ... 140 141

® FPGAs 1
1 Overview 13
EtherCAT IP Core 14
Table 4: Release notes 18
Figure 3: Design flow 25
2 Features and Registers 28
(0x0108:0x0109) 29
Table 8: Legend 30
IP Core 31
V3.0.10 31
Table 10: Legend 33
3 IP Core Installation 38
Figure 5: License Setup 40
4 IP Core Usage 43
5 IP Core Configuration 44
Figure 8: Documentation 45
Figure 9: Product ID tab 46
09) is available if checked 51
6 Example Designs 61
7 FPGA Resource Consumption 69
8 IP Core Signals 71
CLK25_2NS 72
Table 20: SII EEPROM Signals 73
Table 21: LED Signals 73
PHY Management 75
Table 24: PHY Interface MII 76
Table 25: PHY Interface RMII 78
Table 28: Digital I/O PDI 82
Table 29: SPI PDI 83
Table 30: 8/16 Bit µC PDI 83
Table 31: 8 Bit µC PDI 83
Table 32: 16 Bit µC PDI 84
Table 33: Avalon PDI 84
Table 34: AXI3 PDI 85
9 Ethernet Interface 86
Ethernet PHY 87
RX_D[3:0] 91
10 PDI Description 99
Digital output pins 102
LATCH_IN 104
Figure 39: OUT_ENA timing 105
Table 46: SPI signals 106
Table 47: Address modes 107
SPI_DO (MISO) 112
SPI_DI (MOSI) 112
SPI_CLK* 112
SPI mode 1/3 SPI mode 0/2 113
PDI Description 114
16 bit µController, async 119
EtherCAT device 119
8 bit µController, async 120
(with preceding write access) 122
DATA0 DATA1 DATA2 DATA3 128
ADR+1 ADR+3ADR+2 128
Figure 57: AXI3 signals 129
Table 59: AXI3 signals 129
Figure 58: AXI Read Access 133
Figure 59: AXI Write Access 133
Output event time 134
Table 63: I²C EEPROM signals 135
Table 65: AC Characteristics 136
Table 66: Forwarding Delays 136
14 Synthesis Constraints 137
Synthesis Constraints 138
Synthesis Constraints 139
15 Appendix 141

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Beckhoff EtherCAT IP Core for Altera FPGAs v3.0.10 Uživatelský manuál Strana 120

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