SP-5000M-USB / SP-5000C-USB
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7.1.5 Calculation of the sensor maximum frame rate
t
readout
[sec] = t
row
×
(
Nrows + K + 2
)
+
1
𝑓
𝑠𝑦𝑠
+ (𝑡
𝑟𝑜𝑤
× 2) + 𝑡
𝑒𝑥𝑝𝐹
Frame rate Max [fps] =
1
𝑡_𝑟𝑒𝑎𝑑𝑜𝑢𝑡
f
sys
Sensor 12-bit
48MHz
t
row
=
165 + 𝐻𝐵𝑙𝑎𝑛𝑘𝑖𝑛𝑔_𝑐𝑦𝑐𝑙𝑒
𝑓_𝑠𝑦𝑠
𝐻𝐵𝑙𝑎𝑛𝑘𝑖𝑛𝑔𝐶𝑦𝑐𝑙𝑒 = 𝐻𝐵𝑙𝑎𝑛𝑘𝑖𝑛𝑔𝐶𝑦𝑐𝑙𝑒𝑇𝑚𝑝 − 164
𝐻𝐵𝑙𝑎𝑛𝑘𝑖𝑛𝑔𝐶𝑦𝑐𝑙𝑒𝑇𝑚𝑝 = 𝑆𝑒𝑚𝑠𝑜𝑟𝐻𝐵𝑙𝑎𝑛𝑘𝑖𝑛𝑔 ×
𝑆𝑒𝑛𝑠𝑜𝑟𝑊𝑖𝑑𝑡ℎ
2560
Note: If HBlanking_cycle_Tmp < 165, HBlanking_cycle_Tmp is 165.
𝑆𝑒𝑛𝑠𝑜𝑟𝑊𝑖𝑑𝑡
ℎ
= Rounddown (
𝑊𝑖𝑑𝑡ℎ
64
) × 64 + 64
SensorHBlanking
Mono/bayer
330
Nrows
= Height : 1
～
2048
K = Roundup (
𝑡
𝑒𝑥𝑝𝐵
𝑡
𝑟𝑜𝑤
) + 1
t
exp_B
= 2.333 us
t
exp_F
= 10.2083 us
7.1.6 Maximum frame rate in USB 3.0 bandwidth
The maximum bandwidth of the SP-5000-USB is capped at 2.6 Gbps, which is approximately 80% of
the typical 3.2 Gbps maximum value listed for the USB3 Vision standard.
Frame rate Max[fps] = 2.6 Gbps / (Width x Height x Bit)
Bit
Mono8/BayerGR8
8
Mono10/BayerGR10
16
Mono10/BayerGR10_Packed
10
Mono12/BayerGR12
16
Mono12/BayerGR12_Packed
12
