Crt And External Ramdac Interface; Table 5-5: Crt And Ramdac Interface Pin Descriptions - Epson S1D13504 Technical Manual

Epson Research and Development
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5.4.5 CRT and External RAMDAC Interface

Pin Name Type
DACRD# IO 84
DACWR# IO 99
DACRS1 IO 101
DACRS0 IO 100
DACP0 IO 98
Hardware Functional Specification
Issue Date: 01/11/06
Table 5-5: CRT and RAMDAC
Pin #
Driver
F00A
F02A
F01A
94 C/TS1
113 C/TS1
115 C/TS1
114 C/TS1
112 C/CN3
Interface Pin Descriptions
Reset = 0
Value
This pin has multiple functions.
• Read signal for external RAMDAC support.
Hi-Z /
• General Purpose IO (GPIO4).
1
Output 1
See Table 5-11: "LCD, CRT, RAMDAC Interface Pin
Mapping," on page 33.
This pin has multiple functions.
• Write signal for external RAMDAC support.
Hi-Z /
• General Purpose IO (GPIO7).
1
Output 1
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.
Hi-Z /
• General Purpose IO (GPIO9).
1
Output 0
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.
Hi-Z /
• General Purpose IO (GPIO8).
1
Output 0
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.
Hi-Z /
• General Purpose IO (GPIO6).
1
Output 0
See Table 5-11: "LCD, CRT, RAMDAC Interface Pin
Mapping," on page 33.
Description
S1D13504
X19A-A-002-19
Page 27