Document
CXD1257AR
CCD Camera Timing Generator
Description The CXD1257AR generates the timing pulses required by the CCD image sensors as well as signal processing circuits. Features • NTSC and PAL compatible • Electronic shutter function • H-driver • Compatible with digital and analog camera systems • Standby function Applications CCD cameras Structure Silicon gate CMOS IC Applicable CCD Image Sensors ICX026CKA, ICX027CKA ICX054AK, ICX055AK ICX056AK Block Diagram
62
64 pin LQFP (Plastic)
Absolute Maximum Ratings (Ta = 25°C) • Supply voltage VDD Vss – 0.5 to +7.0 V • Input voltage VI Vss – 0.5 to VDD + 0.5 V • Output voltage VO Vss – 0.5 to VDD + 0.5 V • Operating temperature Topr –20 to +75 °C • Storage temperature Tstg –55 to +150 °C Recommended Operating Conditions • Supply voltage VDD 5.0 ± 0.25 • Operating temperature Topr –20 to +75
V °C
VSS
8 21 28 40
VDD
24 25 56 15 16 17 18 19 20
60
VD INITIALIZE
MODE SET
11 12 13 14
SYNC GEN
59 57 63 64 1
HD INITIALIZE ADR . COUNT 1/2 H – ROM LATCH ADR . COUNT V – ROM LATCH ADR . COUNT
23
ROG – ROM LATCH GATE
36
2 41 42 43 44 45 46 22 37 38 39 26 27 3 10 47 48 49 50 51 52 53 54 29 30 31 32 33 34 35 58 55 4
GATE
GATE
CONTROLLER
61
HTSG
HIGH-SPEED PULSE GENERATION CIRCUIT
DRIVER
DECODER GATE COUNTER SHUT ROM DECODER
5 6 7 9
MICROCOMPUTER
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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E91817B4X-PK
CXD1257AR
Pin Description Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Symbol OSCO OSCI EF ED0 ED1 ED2 SMD1 Vss SMD2 XVCT D1 D2 D3 D4 A5 A4 A3 A0 A1 A2 Vss RG NC VDD VDD H1 H2 Vss XSUB XV2 XV1 XSG1 XV3 XSG2 XV4 I/O O I I I I I I — I O I I I I O O O O O O — O — — — O O — O O O O O O O Power supply. Power supply for H1 and H2. Clock output for CCD horizontal register drive. Clock output for CCD horizontal register drive. GND for H1 and H2. CCD discharge pulse output. Clock output for CCD vertical register drive. Clock output for CCD vertical register drive. CCD sensor charge readout pulse output. Clock output for CCD vertical register drive. CCD sensor charge readout pulse output. Clock output for CCD vertical register drive. Inverter output for oscillation. Inverter input for oscillation. Not used. (With pull-up resistor) Shutter speed setting. Strobe input for serial mode. (With pull-up resister) Shutter speed setting. Clock input for serial mode. (With pull-up resister) Shutter speed setting. Data input for serial mode. (With pull-up resister) Shutter mode setting. (With pull-up resister) GND Shutter mode setting. (With pull-up resister) Not used. (Open) Fix at Low in normal operation. (With pull.