參數資料
型號: ST72E754J9D0
廠商: 意法半導體
元件分類: 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單片機的顯示器,高達60K章檢察官辦公室,每1000內存,模數轉換器,定時器,同步,材質單元,脈寬調制/的BRM,的H / W DDC的
文件頁數: 110/144頁
文件大小: 1280K
代理商: ST72E754J9D0
ST72774/ST727754/ST72734
68/144
SYNC PROCESSOR (SYNC) (Cont’d)
4.4.10 Register Description
CONFIGURATION REGISTER (CFGR)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 = HACQ Horizontal Sync Analyzer Mode
Set by software, reset by hardware when the
measurement is done. The sync generator must
be disabled (HVGEN=0).
0 : Measurement is done, the result can be read
in HGENR.
1: Start measuring HSYNCO/HFBACK low lev-
el.
Bit 6 = VACQ Vertical Sync Analyzer Mode
Set by software, reset by hardware when the
measurement is done. The sync generator must
be disabled (HVGEN=0).
0: Measurement is done, and the result can be
read in VGENR.
1: Start measuring the number of scan lines dur-
ing VSYNCO/VFBACK low level.
Bit 5 = Reserved. Must be cleared.
Bit 4 = 2FHINH Inhibition of Pre/Post equalization
pulses.
This
function
removes
pre/post
equalization
pulses on HSYNCO signal. The sync generator
and the Horizontal sync analyzer must both be
disabled (HVGEN=HACQ=0).
0: Disable
1: Enable
Bit 3 = VEXT VSYNCO pulse width extension in
case of post-equalization pulses.
The sync generator and the Horizontal and
Vertical sync analyzer must be disabled (HVGEN
= 0, HACQ = 0, VACQ = 0, VCORDIS=0). Vertical
extension must be enabled (VGENR > 0
).
0: Disable
1: Enable
Bits 2:0 = Q’2..Q’0
These are the read/write LSB of the VGENR 11-bit
counter. Refer to Figure 44.
70
HACQ VACQ
-
2FHINH VEXT
Q’2
Q’1
Q’0
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