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Page 14 Epson Research and Development
Vancouver Design Center
S1D13708 Interfacing to the Intel StrongARM SA-1110 Microprocessor
X39A-G-019-01 Issue Date: 01/11/25
4.2 S1D13708 Hardware Configuration
The S1D13708 uses CNF7 through CNF0 to allow selection of the bus mode and other
configuration data on the rising edge of RESET#. For details on configuration, refer to the
S1D13708 Hardware Functional Specification, document number X39A-A-001-xx.
The following table shows the configuration required for this implementation of a
S1D13708 to SA-1110 interface.
Table 4-1: Summary of Power-On/Reset Configuration Options
S1D13708
Pin Name
value on this pin at the rising edge of RESET# is used to configure: (1/0)
10
CNF[4, 2:0] 0100 = Generic #2 Little Endian Host Bus Interface
CNF3 GPIO pins as inputs at power on GPIO pins as HR-TFT / D-TFT outputs
CNF5
Active high WAIT# Active low WAIT#
CNF[7:6] see Table “” for recommended setting
= configuration for SA-1110
Table 4-2: CLKI to BCLK Divide Selection
CNF7 CNF6 CLKI to BCLK Divide
0 0 1:1
012:1
103:1
114:1
= recommended setting for SA-1110