16-Bit Mode; Figure 9-4 8-Bit Mode - 40K Bytes Sram [Either (8K × 8 + 32K × 8) Requiring Aux[01] Bit 0 = 0 Or (32K × 8 + 8K × 8) Requiring Aux[01] Bit 0 = 1]; Figure 9-5 8-Bit Mode - 64K Bytes Sram (Requires Aux[01] Bit 0 = 1) - Epson S1D13503 Series Technical Manual

[Either (8K × 8 + 32K × 8) requiring AUX[01] bit 0 = 0 or (32K × 8 + 8K × 8) requiring AUX[01] bit 0 = 1]

16-Bit Mode

S18A-A-011-01
S1D13503 Series Hardware Functional Specification
VD0-7
VWE#
WE#
S1D13503 8K/32K × 8
CS#
VCS0#
VCS1#
VA0-14
Figure 9-4 8-Bit Mode - 40K bytes SRAM
VD0-7
VWE#
WE#
32K × 8
S1D13503
CS#
VCS0#
VCS1#
VA0-14
Figure 9-5 8-Bit Mode - 64K bytes SRAM
(Requires AUX[01] bit 0 = 1)
VD0-7
VWE#
S1D13503
VCS0#
VA0-12
VCS1#
VD8-15
Figure 9-6 16-Bit Mode - 16K bytes SRAM
WE#
32K/8K × 8
CS#
WE#
32K × 8
CS#
WE#
8K × 8
CS#
CS#
8K × 8
WE#
1-55