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参数资料
型号： EVAL-ADV7180-32EBZ
厂商： Analog Devices Inc
文件页数： 5/116页
文件大小： 0K
描述： BOARD EVAL FOR ADV7180
标准包装： 1
系列： Advantiv®
主要目的： 视频，SDTV 视频解码器 - NTSC，PAL，SECAM
嵌入式： 否
已用 IC / 零件： ADV7180
主要属性： CVBS（复合），Y/C（S 视频）和 YPrPb（元件）输入
次要属性： 8 位 ITU-R BT.656 YCrCb 4:2:2 输出
已供物品： 板
ADV7180
Data Sheet
Rev. I | Page 102 of 116
Interrupt and VDP Map
Bit
(Shading Indicates
Default State)
Address Register
Bit Description
7 6 5 4 3 2 1 0
Comments
Notes
0x4A
Interrupt Status 3
(read only)
SD_OP_CHNG_Q; SD 60 Hz/50 Hz
frame rate at output
0
No change in SD signal standard
detected at the output
These bits can be cleared
and masked by
Register 0x4B and
Register 0x4C, respectively
1
A change in SD signal standard is
detected at the output
SD_V_LOCK_CHNG_Q
0
No change in SD
VSYNC lock status
1
SD
VSYNC lock status has changed
SD_H_LOCK_CHNG_Q
0
No change in
HSYNC lock status
1
SD
HSYNC lock status has changed
SD_AD_CHNG_Q; SD autodetect
changed
0
No change in AD_RESULT[2:0] bits in
Status 1 register
1
AD_RESULT[2:0] bits in Status 1 register
have changed
SCM_LOCK_CHNG_Q; SECAM lock
0
No change in SECAM lock status
1
SECAM lock status has changed
PAL_SW_LK_CHNG_Q
0
No change in PAL swinging burst
lock status
1
PAL swinging burst lock status has
changed
Reserved
x x
Not used
0x4B
Interrupt Clear 3
(write only)
SD_OP_CHNG_CLR
0
Do not clear
1
Clears SD_OP_CHNG_Q bit
SD_V_LOCK_CHNG_CLR
0
Do not clear
1
Clears SD_V_LOCK_CHNG_Q bit
SD_H_LOCK_CHNG_CLR
0
Do not clear
1
Clears SD_H_LOCK_CHNG_Q bit
SD_AD_CHNG_CLR
0
Do not clear
1
Clears SD_AD_CHNG_Q bit
SCM_LOCK_CHNG_CLR
0
Do not clear
1
Clears SCM_LOCK_CHNG_Q bit
PAL_SW_LK_CHNG_CLR
0
Do not clear
1
Clears PAL_SW_LK_CHNG_Q bit
Reserved
x x
Not used
0x4C
Interrupt Mask 3
(read/write)
SD_OP_CHNG_MSK
0
Masks SD_OP_CHNG_Q bit
1
Unmasks SD_OP_CHNG_Q bit
SD_V_LOCK_CHNG_MSK
0
Masks SD_V_LOCK_CHNG_Q bit
1
Unmasks SD_V_LOCK_CHNG_Q bit
SD_H_LOCK_CHNG_MSK
0
Masks SD_H_LOCK_CHNG_Q bit
1
Unmasks SD_H_LOCK_CHNG_Q bit
SD_AD_CHNG_MSK
0
Masks SD_AD_CHNG_Q bit
1
Unmasks SD_AD_CHNG_Q bit
SCM_LOCK_CHNG_MSK
0
Masks SCM_LOCK_CHNG_Q bit
1
Unmasks SCM_LOCK_CHNG_Q bit
PAL_SW_LK_CHNG_MSK
0
Masks PAL_SW_LK_CHNG_Q bit
1
Unmasks PAL_SW_LK_CHNG_Q bit
Reserved
x x
Not used
0x4E
Interrupt Status 4 (read only) VDP_CCAPD_Q
0
Closed captioning not detected
These bits can be cleared
and masked by Register
0x4F and Register 0x50,
respectively; note that an
interrupt in Register 0x4E
for the CCAP, Gemstar,
CGMS, WSS, VPS, PDC,
UTC, and VITC data uses
the VDP data slicer
1
Closed captioning detected
Reserved
x
VDP_CGMS_WSS_CHNGD_Q; see
0x9C Bit 4 of user sub map to determine
whether interrupt is issued for a
change in detected data or for when
data is detected regardless of content
0
CGMS/WSS data is not changed/
not available
1
CGMS/WSS data is changed/available
Reserved
x
VDP_GS_VPS_PDC_UTC_CHNG_Q;
see 0x9C Bit 5 of User Sub Map to deter-
mine whether interrupt is issued for a
change in detected data or for when
data is detected regardless of content
0
Gemstar/PDC/VPS/UTC data is not
changed/not available
1
Gemstar/PDC/VPS/UTC data is
changed/available
Reserved
x
VDP_VITC_Q
0
VITC data is not available in the VDP
1
VITC data is available in the VDP
Reserved
x
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