S1D13503 Epson Electronics America, Inc., S1D13503 Datasheet - Page 22

• Manufacturer Part Number: S1D13503
• Description: S1d13503 Graphics Lcd Controller
• Manufacturer: Epson Electronics America, Inc.

Page 14
3.3 ISA Bus
S1D13503
X18A-A-001-08
16-bit ISA Bus
LA17 to LA23
8-Bit ISA Bus
SD0 to SD15
SA0 to SA19
MEMCS16#
SA0 to SA19
IOCHRDY
REFRESH
SMEMW#
SMEMR#
SD0 to SD7
IOCS16#
IOCHRDY
REFRESH
SMEMW#
RESET#
SMEMR#
SBHE#
RESET#
IOW#
IOR#
AEN
IOW#
0WS#
IOR#
AEN
SA16 to SA14
SA16 to SA13
SA10 to SA15
SA10 to SA15
Decoder
(example implementation only - actual may vary)
(example implementation only - actual may vary)
Decoder
Decoder
Decoder
Figure 5: 16-Bit Mode (ISA)
Figure 4: 8-Bit Mode (ISA)
Decoder
Decoder
optional
Decoder
SA(1 or 4) through SA9
S1D13503
Hardware Functional Specification
S1D13503
SA(1 or 4) through SA9
MEMCS#
MEMW#
MEMR#
READY
DB0 to DB15
AB0 to AB19
IOCS#
IOW#
IOR#
BHE#
RESET
Epson Research and Development
IOCS#
MEMCS#
MEMW#
MEMR#
READY
DB0 to DB7
AB0 to AB19
IOW#
IOR#
RESET
Vancouver Design Center
Issue Date: 01/01/29