参数资料
型号: UPSD3233AV-24T1T
厂商: 意法半导体
英文描述: Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
中文描述: 闪存可编程系统设备与8032微控制器核心和64Kbit SRAM的
文件页数: 87/176页
文件大小: 1081K
代理商: UPSD3233AV-24T1T
87/176
μ
PSD323X
Host Type Detection
The detection procedure conforms to the se-
quences proposed by VESA Monitor Display Data
Channel (DDC) specification. The monitor needs
to determine the type of host system:
I
DDC1 or OLD type host.
I
DDC2B host (Host is master, monitor is always
slave)
I
DDC2B+/DDC2AB(ACCESS.bus) host.
Figure 41. Host Type Detection
AI06644
Is VSYNC present
Has a
command
been received
Is 2B+/A.B
command detected
Is
DDC2B+/DDC2AB
Is it
DDC2B
command
Power on
Communication
isidle
EDID sent continously using
VSYNC as clock
Is DDC2 clock
present
Stop sending of EDID
switch to DDC2
communication mode
DDC2 communication
is idle.
Respond to
DDC2B command
Respond to DDC2B+/
DDC2AB command
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