Beckhoff EtherCAT Registers Section II Uživatelský manuál Strana 42

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PDI Configuration (0x0150:0x0153)
II-30 Slave Controller Register Description
3.28.2 PDI SPI Slave Configuration
Table 35: Register PDI SPI Slave Configuration (0x0150)
ESC20
ET1100
ET1200
IP Core
[3:2], [7:6]
[7:6]
[7:6]
[7:6]
Bit
Description
ECAT
PDI
Reset Value
1:0
SPI mode:
00: SPI mode 0
01: SPI mode 1
10: SPI mode 2
11: SPI mode 3
NOTE: SPI mode 3 is recommended for Slave
Sample Code
NOTE: SPI status flag is not available in SPI
modes 0 and 2 with normal data out sample.
r/-
r/-
IP Core: Depends on
configuration
Others: 0, later
EEPROM ADR 0x0001
3:2
SPI_IRQ output driver/polarity:
00: Push-Pull active low
01: Open Drain (active low)
10: Push-Pull active high
11: Open Source (active high)
r/-
r/-
4
SPI_SEL polarity:
0: Active low
1: Active high
r/-
r/-
5
Data Out sample mode:
0: Normal sample (SPI_DO and SPI_DI
are sampled at the same SPI_CLK
edge)
1: Late sample (SPI_DO and SPI_DI are
sampled at different SPI_CLK edges)
r/-
r/-
7:6
Reserved, set EEPROM value 0
r/-
r/-
Table Register Sync/Latch[1:0] PDI Configuration (0x0151) moved to chapter 3.28.7
Table 36: Register PDI SPI Slave extended configuration (0x0152:0x0153)
ESC20
ET1100
ET1200
IP Core
[15:0]
[15:0]
[15:0]
Bit
Description
ECAT
PDI
Reset Value
15:0
Reserved, set EEPROM value 0
r/-
r/-
IP Core: 0
Others: 0, later
EEPROM ADR 0x0003
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