RTD Embedded Technologies, Inc. | www.rtd.com vDM35956HR User’s Manual
Index and Data Registers ......................................................................................................................................................... 24
6.2.1 GPIOAB_CTRL (Read/Write) 24
6.2.2 GPIOCD_CTRL (Read/Write) 24
6.2.3 SELECT (Read/Write) 25
6.2.4 INDEX_DATA (Read/Write) 25
Accessing the Board Registers................................................................................................................................................. 25
6.3.1 Reading from a Board Register 25
6.3.2 Writing to a Board Register 27
Board Registers ........................................................................................................................................................................ 28
6.4.1 BUILD_NUM_LS, BUILD_NUM_MS (Read-Only) 28
6.4.2 USER_ID (Read-Only) 28
6.4.3 OPTO_IN (Read-Only) 28
6.4.4 RELAY_CTRL (Read/Write) 28
7Troubleshooting 29
8Additional Information 30
PC/104 Specifications............................................................................................................................................................... 30
PCI and PCI Express Specification .......................................................................................................................................... 30
9Limited Warranty 31
Table of Figures
Figure 1: Board Dimensions ..................................................................................................................................................................................... 9
Figure 2: Board Connections (-H)........................................................................................................................................................................... 10
Figure 3: Board Connections (-S)........................................................................................................................................................................... 10
Figure 4: Isolated Input Circuit................................................................................................................................................................................ 11
Figure 5: Example 104™Stack............................................................................................................................................................................... 14
Figure 6: IDAN Dimensions (62-pin)....................................................................................................................................................................... 15
Figure 7: IDAN Dimensions (68-pin)....................................................................................................................................................................... 15
Figure 8: DM35956HR Block Diagram ................................................................................................................................................................... 23
Table of Tables
Table 1: Ordering Options ........................................................................................................................................................................................ 7
Table 2: Operating Conditions .................................................................................................................................................................................. 8
Table 3: Electrical Characteristics ............................................................................................................................................................................ 8
Table 4: CN12 Isolated Input .................................................................................................................................................................................. 11
Table 5: CN10 Relay Output................................................................................................................................................................................... 12
Table 6: CN11 Relay Output................................................................................................................................................................................... 12
Table 7: CN10 Relay Output................................................................................................................................................................................... 13
Table 8: CN11 Relay Output................................................................................................................................................................................... 13
Table 9: CN3 –User ID Jumper ............................................................................................................................................................................. 13
Table 10: IDAN-DM35956 68-Pin Subminiature "D" Connector............................................................................................................................. 18
Table 11: IDAN-DM35956 68-Pin Subminiature "D" Connector............................................................................................................................. 19
Table 12: IDAN-DM35956 62-Pin High Density "D" Connector.............................................................................................................................. 20
Table 13: IDAN-DM35956 62-Pin High Density "D" Connector.............................................................................................................................. 21
Table 14: IDAN-DM35956 37-Pin High Density "D" Connector.............................................................................................................................. 22
Table 15: Identifying the DM35956HR.................................................................................................................................................................... 24
Table 16: Index and Data Registers ....................................................................................................................................................................... 24
Table 17: Board Registers ...................................................................................................................................................................................... 28
