User guide

Programmer’s Reference

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 4-15 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)