參數(shù)資料
型號: AD9992BBCZRL
廠商: ANALOG DEVICES INC
元件分類: 消費(fèi)家電
英文描述: 12-Bit CCD Signal Processor with Precision Timing Generator
中文描述: SPECIALTY CONSUMER CIRCUIT, PBGA105
封裝: 8 X 8 MM, 0.65 MM PITCH, ROHS COMPLIANT, MO-225, CSPBGA-105
文件頁數(shù): 38/92頁
文件大?。?/td> 718K
代理商: AD9992BBCZRL
AD9992
Special Pattern Insertion
Additional flexibility is available using the SPC_PAT_EN registers,
which allows a Group B, C, or 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.
Rev. 0 | Page 38 of 92
Figure 45 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 46 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
V1 TO VN
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
Figure 45. Example of Special Pattern Insertion
V1
HD
V-PATTERN A
V-PATTERN B
V-PATTERN A
REP 1
REP 2
REP N
REP 5
REP 4
REP 3
REGISTER SETTINGS:
SPC_PAT_EN[0] = 1
VREPA = N
VREPB = 4
DESCRIPTION:
V-PATTERN B IS USED AS SPECIAL PATTERN
TOTAL NUMBER OF REPS USED FOR SEQUENCE (N REPS)
REP 4 USES V-PATTERN B INSTEAD OF V-PATTERN A
NOTES
1. VSTARTB MUST BE SET EQUAL TO VSTARTA.
0
Figure 46. Example of Special Pattern Insertion, Detail
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