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CHR71000 Datasheet(PDF) 30 Page - ams-OSRAM AG

No. de pieza CHR71000
Descripción Electrónicos  CHR71000 High resolution 70 MP CMOS image sensor
PDF  54 Pages
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Fabricante Electrónico  AMSOSRAM [ams-OSRAM AG]
Página de inicio  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

CHR71000 Datasheet(HTML) 30 Page - ams-OSRAM AG

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CHR71000
Functional description
Datasheet • PUBLIC • Document Feedback
DS000427 • v2-01 • 2026-Mar-18
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7.3.3
Row overhead timing
During the row overhead time (ROT), the digital chip inputs need to be pulsed when the
internal sequencer is not used. Figure 17 shows the required timing of the pulses and their
relation to the master clock input.
The timing for the two signals imc_sync_y_read and imc_sync_y_inte is combined into one
signal in the figure (imc_sync_y_*). The ROT length is defined in first order by the sample
length and the transfer length. Next table gives the details of the programmable timing. The
last column details the number of clock cycles (30MHz) for the duration of each state.
Table 9: Different programable timings according with MCLK cycles
#
Name
From
To
Clock cycles
T1
r-edge sync_y_*
r-edge clk_y
3
T2
r-edge clk_y
f-edge clk_y
f-edge sync_y_*
f-edge pix_reset
r-edge col_enable
1
T3
f-edge pix_reset
r-edge col_precharge
0
T4
Precharge length
r-edge col_precharge
f-edge col_precharge
2
T5
f-edge col_precharge
r-edge pix_select
r-edge col-init
r-edge col_sample
r-edge col-sample_r
0
T6
Sample length
r-edge col_sample
f-edge col_sample
60
T7
f-edge col_init
f-edge col_sample
14
T8
f-edge col_sample
f-edge col_sample_r/s
f-edge pix_select
1
T9
f-edge pix_select
r-edge pix_transfer
1
T10
Transfer length
r-edge pix-transfer
f-edge pix_transfer
30
T11
f-edge pix_transfer
r-edge col_precharge
1
T12
f-edge pix_select
r-edge pix_reset
1
T13
r-edge pix_reset
r-edge sync_x
1
T14
f-edge col_precharge
f-edge col_sample
46
If a value of '0' is entered for one of the registers, the state will be skipped.
Except for states T6 and T7 all states are sequential. If the value entered for T7 is larger than
the value of T6, the col_init signal will not go to '1' during the ROT.
IMC_COL_PRECHARGE is not going low after T4, instead it overlaps with
IMC_COL_SAMPLE.



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