BECKHOFF EtherCAT Registers Section II - Manual (Page 44)

PDI Configuration (0x0150:0x0153)
II-32 Slave Controller – Register Description
3.28.4 PDI 8/16Bit synchronous Microcontroller configuration
Table 39: Register PDI Synchronous Microcontroller Configuration (0x0150)
ESC20 ET1100 ET1200 IP Core
Bit Description ECAT PDI Reset Value
1:0 TA output driver/polarity:
00: Push-Pull active low
01: Open Drain (active low)
10: Push-Pull active high
11: Open Source (active high)
NOTE: Push-Pull: no CS → no TA (driven)
Open Drain/Source: no CS → TA open
r/- r/- 0, later EEPROM ADR
0x0001
3:2 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 BHE/Byte Enable polarity:
0:
Active low
1: Active high
r/- r/-
5 ADR(0) polarity:
0:
Active high
1: Active low
r/- r/-
6 Byte access mode:
0:
BHE or Byte Enable mode
1: Transfer Size mode
r/- r/-
7 TS Polarity:
0:
Active low
1: Active high
r/- r/-
Table Register Sync/Latch[1:0] PDI Configuration (0x0151) moved to chapter 3.28.7