Technical data

7.2 LBU Interface
Instead of the PCI interface, the PCB direct connector can also be used for the LBU interface (see jumper settings in
chapterl 2.1.2). In this case, the following signal assignment applies:
Con
nector name: X1
Connector type: 124-pin PCB direct connector
Pin No. Name Function Pin No. Name Function
B1 -12 V Supply A1 TRST_N JTAG
B2 TCK JTAG A2 +12 V Supply
B3 M Ground A3 TMS JTAG
B4 TDO JTAG A4 TDI JTAG
B5 +5 V Supply A5 +5 V Supply
B6 +5 V Supply A6 LBU_IRQ0_N INT0 Low active
B7 LBU_IRQ1_N INT1 Low active A7 - Reserved
B8 - Reserved A8 +5 V Supply
B9 - Reserved A9 - Reserved
B10 - Reserved A10 +Vio I/O supply
B11 - Reserved A11 - Reserved
B12 - Key A12 - Key
B13 - Key A13 - Key
B14 - Reserved A14 3.3 Vaux Auxiliary power
B15 M Ground A15 RST_N
PCI reset
(*1)
B16 CLK
PCI Clock
(*1)
A16 +Vio I/O supply
B17 M Ground A17 LBU_CFG RD/WR Control:
0: separate RD and WR line
1: LBU_WR_N for RD/WR
B18 LBU_CS_M_N CS for ERTEC 400 memory
resources
A18 M Ground
B19 +Vio I/O supply A19 LBU_RDY_N Ready signal (polarity depends
on LBU_POL_RDY)
B20 LBU_CS_R_N CS for LBU Config register A20 LBU_SEG1 Segment address
B21 LBU_SEG0 Segment address0 A21 +3.3 V Supply
B22 M Ground A22 LBU_AB20 Address bus bit 20
B23 LBU_AB19 Address bus bit 19 A23 LBU_AB18 Address bus bit 18
B24 LBU_AB17 Address bus bit 17 A24 M Ground
B25 +3.3 V Supply A25 LBU_AB16 Address bus bit 16
B26 LBU_AB15 Address bus bit 15 A26 LBU_AB14 Address bus bit 14
B27 LBU_AB13 Address bus bit 13 A27 +3.3 V Supply
B28 M Ground A28 LBU_AB12 Address bus bit 12
B29 LBU_AB11 Address bus bit 11 A29 LBU_AB10 Address bus bit 10
B30 LBU_AB09 Address bus bit 9 A30 M Ground
B31 +3,3V Supply A31 LBU_AB08 Address bus bit 8
B32 LBU_AB07 Address bus bit 7 A32 LBU_AB06 Address bus bit 6
B33 LBU_AB05 Address bus bit 5 A33 +3.3 V Supply
B34 M Ground A34 LBU_AB04 Address bus bit 4
B35 LBU_AB03 Address bus bit 3 A35 M Ground
B36 +3.3 V Supply A36 LBU_AB02 Address bus bit 2
B37 LBU_AB01 Address bus bit 1 A37 M Ground
B38 M Ground A38 LBU_AB00 Address bus bit 0
B39 - Reserved A39 +3.3 V Supply
B40 LBU_RD_N /Read A40 - Reserved
B41 +3.3 V Supply A41 - Reserved
B42 LBU_POL_RDY Polarity of LBU_RDY_N A42 M Ground
B43 +3.3 V Supply A43 LBU_WR_N /Write
B44 LBU_BE1_N Command/Byte1 Enable A44 LBU_DB15 15-bit data bus
B45 LBU_DB14 14-bit data bus A45 +3.3 V Supply
Copyright © Siemens AG 2010. All rights reserved. 32 EB 200 Manual
Technical data subject to change Version 1.1.4