SED1354 Datasheet, PDF (36/472 Pages) Epson Company – Color Graphics LCD/CRT Controller

Page 28
Epson Research and Development
Vancouver Design Center
5.4.5 CRT and External RAMDAC Interface
Pin Name Type
DACRD# IO
DACWR# IO
DACRS1 IO
DACRS0 IO
DACP0
IO
Table 5-5: CRT and RAMDAC Interface Pin Descriptions
Pin #
F0A
F1A
F2A
Driver ^{Reset =}
0 Value
Description
This pin has multiple functions.
• Read signal for external RAMDAC support.
84
94
C/TS1
Hi-Z /
Output 1^{1 • General Purpose IO (GPIO4).}
See Table 5-11: “LCD, CRT, RAMDAC Interface Pin
Mapping,” on page 33.
This pin has multiple functions.
• Write signal for external RAMDAC support.
99
113
C/TS1
Hi-Z /
Output 1¹
•
General Purpose IO (GPIO7).
See Table 5-11: “LCD, CRT, RAMDAC Interface Pin
Mapping,” on page 33.
This pin has multiple functions.
• Register Select bit 1 for external RAMDAC support.
101
115
C/TS1
Hi-Z /
Output 0^{1 • General Purpose IO (GPIO9).}
See Table 5-11: “LCD, CRT, RAMDAC Interface Pin
Mapping,” on page 33.
This pin has multiple functions.
• Register Select bit 0 for external RAMDAC support.
100
114
C/TS1
Hi-Z /
Output 0¹
•
General Purpose IO (GPIO8).
See Table 5-11: “LCD, CRT, RAMDAC Interface Pin
Mapping,” on page 33.
This pin has multiple functions.
• Pixel Data bit 0 for external RAMDAC support.
98
112
C/CN3
Hi-Z /
Output 0^{1 • General Purpose IO (GPIO6).}
See Table 5-11: “LCD, CRT, RAMDAC Interface Pin
Mapping,” on page 33.
SED1354
X19A-A-002-16
Hardware Functional Specification
Issue Date: 99/05/18