S1D13700F02 Epson Electronics America, Inc., S1D13700F02 Datasheet - Page 66

• Manufacturer Part Number: S1D13700F02
• Description: Embedded Memory Graphics Lcd Controller
• Manufacturer: Epson Electronics America, Inc.

Page 66
10.3.3 Drawing Control Registers
CSRW
bits 15-0
S1D13700F02
X42D-A-001-01
REG[1Ch] Cursor Write Register 0
Address = 801Ch
REG[1Dh] Cursor Write Register 1
Address = 801Dh
7
7
6
6
Default = 00h
Default = 00h
Note
The CSRW command sets the cursor address when indirect addressing is used. The values
from REG[1Ch] through REG[1Dh] are passed as parameters when the CSRW command
is issued. For further information on the CSRW command, see Section 11.1.10, “CSRW”
on page 74.
For Indirect Addressing Mode:
The MREAD and MWRITE commands use the address in this register when in indirect
mode. The cursor address register can only be modified by the CSRW command, and by
the automatic increment after an MREAD or MWRITE command. It is not affected by
display scrolling.
If a new address is not set, display memory accesses are from the last set address or the
address after previous automatic increments.
Cursor Write (CSRW) bits [15:0]
These bits set the display memory address to the data at the cursor position as shown in
Figure 12-10 “Cursor Movement,” on page 85.
The microprocessor cannot directly access the display memory in indirect addressing
mode.
5
5
Cursor Write bits 15-8 (MSB)
Cursor Write bits 7-0 (LSB)
4
4
Revision 1.01
3
3
2
2
Epson Research and Development
Hardware Functional Specification
1
1
Vancouver Design Center
Issue Date: 2005/11/29
Write Only
Write Only
0
0