参数资料
型号: ST72T734J6B1
厂商: 意法半导体
元件分类: ADC
英文描述: 8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
中文描述: 8位USB单片机的显示器,高达60K章检察官办公室,每1000内存,模数转换器,定时器,同步,材质单元,脉宽调制/的BRM,的H / W DDC的
文件页数: 6/144页
文件大小: 1280K
代理商: ST72T734J6B1
ST72774/ST727754/ST72734
103/144
Figure 63. DDC1/2B Operation Flowchart
SDA Hi-Z
Vsync Counter = 0
Start 2-sec Timer
N
Y
SCL
N
Received valid
Device Address?
Y
N
Vsync Counter += 1
Counter = 128
or Timer expired ?
Send Next Bit
Relative Address (ALR) = 0
Wait for HWPE = 1
Vsync Counter = 0
Re-Start 2-sec Timer
Y
N
D
DC1
mode
DDC
2B
m
ode
Tr
ansit
ion
m
ode
HWPE bit = 0
Vsync
SCL
CF0 = 0
Vsync
N
Y
N
Received valid
Device Address?
N
Respond to Command
Send Acknowledge
Y
Relative Address (ALR) = 0
CF2 = 0 ?
and
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