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Interfacing to the PC Card Bus S1D13504
Issue Date: 01/02/02 X19A-G-009-05
4.2 S1D13504 Hardware Configuration
The S1D13504 uses MD15 through MD0 to allow selection of the bus mode and other
configuration data on the rising edge of RESET#. For details on configuration, refer to t he
S1D13504 Hardware Functional Specification, document number X19A-A-002-xx.
The tables below show only those configuration settings important to the PC Card interface.
Table 4-1: Summary of Power-On/Reset Options
S1D13504
Pin Name
value on this pin at rising edge of RESET# is used to configure:(1/0)
10
MD0 8-bit host bus interface 16-bit host bus interface
MD1
For host bus interface selection see Table 4-2: Host Bus Interface SelectionMD2
MD3
MD4 Little Endian Big Endian
MD5 WAIT# is active high (1 = insert wait state) WAIT# is active low (0 = insert wait state)
= configuration for PC Card interface
Table 4-2: Host Bus Interface Selection
MD3 MD2 MD1 Host Bus Interface
000 SH-3
0 0 1 MC68K Bus 1 (e.g. MC68000)
0 1 0 MC68K Bus 2 (e.g. MC68030)
011 Generic MPU
1XX Reserved
= configuration for PC Card interface