tc5747 ETC-unknow, tc5747 Datasheet - Page 18

• Manufacturer Part Number: tc5747
• Description: Single Chip Cmos Imager With Integrated Image Signal Processor Jpeg Codec
• Manufacturer: ETC-unknow

TC5747 Data Sheet
Single Chip CMOS Imager
Each of the two output units, the
clock. Each clock,
3.3 Device Initialization Sequence
The Initialization sequence includes the following steps:
1
2
3
4
5
6
When working in Bypass mode, steps 5 and 6 may be skipped.
After system power-up, the Power Save pins should be put into Startup mode.
Clock input and
After the Regulators’ wake up time, the Power Save pins should be put into Full-on mode.
RESET_N
PLL
After
mode should be set.
CLKIN
CLKIN
PLL
BYPASS
BYPASS
PLL_PD
PLL_PD
RCLK
RCLK
RESET_N
RESET_N
PS1/2
PS1/2
is deactivated.
lock time, Bypass mode may be deactivated.
rclkp
RESET_N
PowerDown =01 Startup =00
PowerDown =01 Startup =00
and
rclks
should be activated.
PVI
is configured separately.
and
PLL_mode = required working multiply
PLL_mode = required working multiply
Figure 3: Initialization Sequence
Bypass (Default)
Bypass (Default)
SVI
have a serial clock whose frequency is a multiple of the input
TransChip
Set PLL
Set PLL
mode
mode
PLL lock time
PLL lock time
12
Full On =10
Full On =10
Enter PLL
Enter PLL
mode
mode
Active PLL
Active PLL