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Programmer’s Reference
4-34 Copyright © 2003-2007 ARM Limited. All rights reserved. ARM DUI 0224F
4.3.14 2.2 inch LCD Control Register SYS_CLCDSER
The SYS_CLCDSER register at
0x10000054
controls the interface to the serial power-on
logic in the 2.2inch display on the LCD adaptor board. See Table 4-15 and LCD power
control on page C-7. Use this register to configure the 2.2inch display at power-on.
Figure 4-16 SYS_CLCDSER
4.3.15 Boot Select Register, SYS_BOOTCS
This read-only SYS_BOOTCS register at
0x10000058
returns the settings of the S1
configuration switches. The function of the register bits are shown in Table 4-16 on
page 4-35. If a switch is ON, the corresponding signal is 1. See also Configuration and
initialization on page 4-9 and Configuration control on page 3-7.
Table 4-15 SYS_CLCDSER register
Bits Access Description
[31:7] - Reserved. Use read-modify-write to preserve value.
[6] Read Serial data in (LCDSD0IN)
[5] Read/write Serial data out (LCDSD0OUT)
[4] Read/write Serial data direction control (LCDSD0OUTnIN)
[3] Read/write Device selection control (LCDXCS)
[2] Read/write Write data control (LCDXWR)
[1] Read/write Read data control (LCDDXRD)
[0] Read/write Data or command control (LCDDATnCOM)