LC99012A-S Datasheet, PDF (5/6 Pages) Sanyo Semicon Device – Black-and-White CCD Timing Generator

LC99012A-S
Pin Functions
Pin No.
Symbol
I/O
Function
1
GND
2
PCO
O Phase comparator output
3
AI
I PCO output signal low-pass filter amplifier input
4
AO
O PCO output signal low-pass filter amplifier output
Reference clock input (resonator inverter input)
5
CKI
I
LC9947G: 28.63636 MHz
LC9948G: 28.375 MHz
LC9949G: 14.31818 MHz
6
CKO
O Resonator inverter output
Low/open: CCD interlaced storage mode
7
CCDSCAN
I
High: CCD non-interlaced storage mode
Low/open: C.SYNC interlaced mode
8
SSGSCAN
I
High: C.SYNC non-interlaced mode
LC9947G/9949G: 14.31818 MHz
9
CLK14M
O _{LC9948G: 14.1875 MHz}
10
HD
O HD output
11
VD
O VD output
Field identifier signal
High: odd
12
FLD
O _{Low: even}
Must be tied high if SSGSCAN is high.
13
V_DD
14
KISYU
I Must be tied high when used with the LC9949G. Otherwise must be tied low.
15
HR
I Horizontal reset, C.SYNC reset, and vertical reset pulse input
16
VR
I Vertical reset pulse input and external synchronization mode setup
17
GND
18
SELMET1
I Light metering mode control
19
SELMET2
I Light metering mode control
20
EXT1
I External synchronization mode control
21
EXT2
I External synchronization mode control
22
EXT3
I CCD drive external control mode control
23
EXT4
I CCD drive external control mode control
24
V_DD
I
Normally used to control the electronic iris step (rate of change)
25
STEPSTOP
I/O Low: 1/8
Hifh: 1/16
Sensitivity increasing switch
26
SENS
I Low/open: normal
High: Increased sensitivity mode
Increased sensitivity mode type switching
27
MSENS
I Low or open: In field units
High: In single scan line (1H) units
Flickerless mode* switch
28
FLESS
I Low: Flickerless mode
High/open: normal
CCD storage mode control
29
STR
I This pin must be left open or tied high when the LC99012A-S is used with an LC9947G/49G, and must
be tied low when used with an LC9948G.
30
NSUB3
O CCD NSUB pulses
31
NSUB2
O CCD NSUB pulses
32
NSUB1
O CCD NSUB pulses
Low: test mode
33
TEST
I
High/open: normal operating mode
34
VI1
O CCD imaging block transfer clock (ø1)
35
VI3
O CCD imaging block transfer clock (ø3)
36
VI2
O CCD imaging block transfer clock (ø2)
37
VI4
O CCD imaging block transfer clock (ø4)
38
VS4
O CCD imaging block transfer clock (øS4)
Note: * Flickerless mode can be used when the auto-iris function is off, i.e. when EXT3 is high and EXT4 is low.
Continued on next page.
No. 5281-5/6