Epson Research and Development
Page 177
Vancouver Design Center
8.3.18 BitBlt Data Registers Descriptions
The BitBlt data registers decode A19-A0 and require A20 = 1. The BitBlt data registers are
16-bit wide. Byte access to the BitBlt data registers is not allowed.
BitBlt Data Register 0
A20-A0 = 100000h-1FFFFEh, even address
RW
Data Bit 7
Data Bit 6
Data Bit 5
Data Bit 4
Data Bit 3
Data Bit 2
Data Bit 1
Data Bit 9
Data Bit 0
Data Bit 15
Data Bit 14
Data Bit 13
Data Bit 12
Data Bit 11
Data Bit 10
Data Bit 8
Data Register bits 15-0 BitBlt Data Bits [15:0]
A 16-bit register that specifies the BitBlt data. This register is loosely decoded from
100000h to 1FFFFEh.
Hardware Functional Specification
Issue Date: 01/02/06
S1D13506
X25B-A-001-10
EPSON [ EPSON COMPANY ]
