STV-DCA/VGA-E01 STMICROELECTRONICS [STMicroelectronics], STV-DCA/VGA-E01 Datasheet - Page 33

• Manufacturer Part Number: STV-DCA/VGA-E01
• Description: Low Cost Digital Camera (LCDC) Chipset
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STV0680A + VV6444/6410/6500
7.5.2
Notes:
33
STV0680F_contents.fm
1. See Table 11 on page page 26. However, STV0680A mean current consumption is to be determined by measurement of
2. From limited evaluation, typical self-refresh current figures of certain SDRAM chips are well below manufacturers’ maximum
3. Sensor suspend mode current <100 A when SUSPEND pin asserted, see Table 18 and Table 19.
4. If the appropriate hardware to assert the sensor SUSPEND pin is not fitted, an addditional current consumption in this mode
USB): Sensor SUSPEND
NOT connected to USB):
pin asserted (see note 4)
’Snapshot’/Continuous/
’Snapshot’/Continuous/
Self timer mode (while
Self timer mode (while
Sensor SUSPEND pin
asserted (see note 4)
Standby Mode (when
sample quantity in due course.
specification, e.g. 100-250 A. See Section 9. for recommendations.
of up to 200 A can be expected.
(when connected to
PC Suspend mode
tethered to PC)
Using VV6410/6500 (sensor operates at @ 3.3V DC)
un-tethered)
Mode
Table 22 : Current consumption, complete STV0680A+VV6410/6500 camera
refresh current (see
refresh current (see
Approx. 0.5mA +
Approx. 0.7mA +
SDRAM self-
SDRAM self-
Typical
note 2)
note 2)
60mA
60mA
Digital Camera Chipset; Customer Datasheet, Rev 3.0, March 2000
Commercial in confidence
Total current in this mode equals:
STV0680A Standby current consumption (see note 1)
+ SDRAM self-refresh current (see note 2)
+ peripheral circuitry (approx. 50 A).
+ Sensor suspend mode current (See note 3)
Total current in this mode equals:
STV0680A Standby current consumption (see note 1)
+SDRAM self-refresh current (see note 2)
+ peripheral circuitry (approx. 50 A).
+ 200 A , based on 1.5k pull-up in camera (see Section 9.) and 15k
pull-down in PC.
+ Sensor suspend mode current (See note 3)
Assuming appropriate hardware included, power is sourced from PC
CDSTV0680F-C
PRELIMINARY
while USB connected.
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