參數(shù)資料
型號(hào): MTV012A
廠商: Electronic Theatre Controls, Inc.
英文描述: 8051 Embedded CRT Monitor Controller Mask Version
中文描述: CRT顯示器8051嵌入式控制器掩模版
文件頁(yè)數(shù): 7/14頁(yè)
文件大小: 102K
代理商: MTV012A
MYSON
TECHNOLOGY
MTV012A
MTV012A Revision 1.1 12/23/1998
7/14
Self-Test Patterns (2)
4.7 H/V Sync Processor Register
Present
Check
Digital Filter
Present
Check
Vpre
Frequency
Count
Vfreq
Polarity
Check
Vpol
High
Frequency
Mask
Vself
CVSYNC
Polarity Check &
Sync Seperator
CVpre
Hpol
Hself
Digital Filter
Present Check &
Frequency Count
Hpre
Hfreq
HBpl
VBpl
VBLANK
HBLANK
VSYNC
HSYNC
H/V SYNC Processor Block Diagram
reg name
PSTUS
HCNTH
HCNTL
VCNTH
VCNTL
PCTR0
PCTR2
P4OUT
INTFLG
INTEN
addr
40h (r)
41h (r)
42h (r)
43h (r)
44h (r)
40h (w)
42h (w)
44h (w)
50h (r/w)
60h (w)
bit7
CVpre
Hovf
HF7
Vovf
VF7
C1
X
X
HPRchg
EHPR
bit6
X
X
HF6
X
VF6
C0
X
X
VPRchg
EVPR
bit5
Hpol
X
HF5
X
VF5
HVsel
X
X
HPLchg
EHPL
bit4
Vpol
X
HF4
X
VF4
STOsel
Selft
X
VPLchg
EVPL
bit3
Hpre
X
HF3
X
VF3
PREFS
STbsh
X
HFchg
EHF
bit2
Vpre
HF10
HF2
X
VF2
HALFV
Rt1
P42
VFchg
EVF
bit1
Hoff
HF9
HF1
X
VF1
HBpl
Rt0
P41
FIFOI
EFIFO
bit0
Voff
HF8
HF0
VF8
VF0
VBpl
STF
P40
MI
EMI
PSTUS
(r):
The status of polarity, present and static level for HSYNC and VSYNC.
CVpre = 1
The extracted CVSYNC is present.
= 0
The extracted CVSYNC is not present.
Hpol
= 1
HSYNC input is positive polarity.
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