參數(shù)資料
型號(hào): AD9992BBCZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 32/92頁(yè)
文件大?。?/td> 0K
描述: IC CCD SGNL PROC 12BIT 105CSPBGA
產(chǎn)品變化通告: AD9992 Discontinuation 22/Feb/2012
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: CCD 信號(hào)處理器,12 位
輸入類(lèi)型: 邏輯
輸出類(lèi)型: 邏輯
接口: 3 線串口
電流 - 電源: 27mA
安裝類(lèi)型: 表面貼裝
封裝/外殼: 105-LFBGA,CSPBGA
供應(yīng)商設(shè)備封裝: 105-CSPBGA(8x8)
包裝: 托盤(pán)
AD9992
Rev. C | Page 38 of 92
Special Pattern Insertion
Additional flexibility is available using the SPC_PAT_EN registers,
which allows a Group B, Group C, or Group D pattern to be
inserted into a series of Group A repetitions. This feature is
useful when a different pattern is needed at the start, end, or
middle of a sequence.
Figure 46 shows an example of a sweep region using VPATA
with multiple repetitions where a single repetition of VPATB has
been added into the middle of the sequence. Figure 47 shows more
detail on how to set the registers to achieve the desired timing.
Note that VREPB is used to specify which repetition number
has the special pattern inserted instead of VPATA. VPATB
always has priority over VPATC or VPATD if more than one
SPC_PAT_EN bit is enabled (SPC_PAT_EN [0] has priority).
VD
XV1 TO XV24
HD
REGION 1: SWEEP REGION
LINE 0
LINE 1
REGION 0
REGION 2
LINE 24
LINE 25
LINE 2
SCP1
SCP2
PATTERN B INSERTED DURING PATTERN A REPETITIONS
0
58
91
-0
46
Figure 46. Example of Special Pattern Insertion
XV1
HD
V-PATTERN A
V-PATTERN B
V-PATTERN A
REP 1
REP 2
REP N
REP 5
REP 4
REP 3
REGISTER SETTINGS:
DESCRIPTION:
SPC_PAT_EN[0] = 1
V-PATTERN B IS USED AS SPECIAL PATTERN
VREPA = N
TOTAL NUMBER OF REPS USED FOR SEQUENCE (N REPS)
VREPB = 4
REP 4 USES V-PATTERN B INSTEAD OF V-PATTERN A
NOTES
1. VSTARTB MUST BE SET EQUAL TO VSTARTA.
05
89
1-
0
47
Figure 47. Example of Special Pattern Insertion, Detail
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