Specifications

ESS Technology, Inc. SAM0023-122898 93
ES1869 DATA SHEET
APPENDIX C: I
2
S ZV INTERFACE REFERENCE
APPENDIX C: I
2
S ZV INTERFACE REFERENCE
(Excerpted from “PCMCIA Document Number 0135 – Release 010 1/15/96”)
Overview
The following diagram shows the system level concept of the ZV Port. The diagram demonstrates how TV in a window
can be achieved in a portable computer with a low cost PC Card. An MPEG or teleconferencing card can also be plugged
into the PC Card slot.
Figure 35 Example ZV Port Implementation
PCI LOCAL BUS
256K x 16
DRAM
VGA
PC CARD
HOST
ADAPTER
ANALOG
ENCODER
AUDIO
CODEC
AMP
TV
LCD
CRT
SPEAKERS
PC CARD
INTERFACE
PCM
CONVERTER
VIDEO
DECODER
19
19
4
4
MOTHERBOARD
PCM
AUDIO
INPUT
ZV PORT
(VIDEO)
PC CARD
SLOT
PC CARD
AUDIO
VIDEO & CONTROL
AUDIO
VIDEO
NTSC/PAL
RF SIGNAL
INPUT
INPUT