TDA8786 Datasheet, PDF (20/28 Pages) NXP Semiconductors – 10-bit analog-to-digital interface for CCD cameras

Philips Semiconductors
10-bit analog-to-digital interface for
CCD cameras
Product specification
TDA8786; TDA8786A
handbook, full pagewidth
digital ground
analog ground
VERTICAL DRIVER
(PPG)
P0
P1
CDACOUT
CLK1
CLK2
CDSPULSE1
CDSPULSE2
CLAMPCDS
CLAMPOPB
CLAMPADC
PreBlank
Horizontal Drive
Vertical Drive
Field Id
V4 V3 V2 V1
Electrical Reset
H1 H2 Shutter Pulse
VERTICAL
DRIVER BUFFER
V4 V3 V2 V1
H1 H2
CCD
Shutter Reset
CCDout
OFD level
(optional)
P0 (optional, PPG setting)
P1 (optional, PPG settings)
CDACOUT (optional, can be used for frequency tuning)
CLK1 (to ADC and DSP)
CLK2 (to DSP, CLK2 = 2 × CLK1)
CDSPULSE1
CDSPULSE2
CLAMPCDS (CLAMP CDS, OPB, ADC can be the same)
CLAMPOPB
CLAMPADC
PreBlank (optional)
HD (to DSP and µC)
VD (to DSP and µC)
FI (to DSP and µC)
CLK1
CLAMPCDS
CDSPULSE1
CDSPULSE2
VDDA1
100 nF
1 µF
CLAMPOPB
100 nF
VDDA1
OEN (optional)
(from microcontroller)
VDDD
100 nF
5V
VDDA1
5V
VDDA2
5V
VDDA3
BC848C
10 kΩ
−xxV +xxV
SWITCH MODE
POWER SUPPLIES
(optional)
VDDD
VD (from PPG)
PreBlank
48 47 46 45 44 43 42 41 40 39 38 37
CLPOPB
OGND
1
36
100 nF
PBK
2
D9
35
A
OFDOUT
D8
SMP_CLK
3
34
B
(from DSP)
AMPOUT
AMPOUT
4
ANALOG-TO-DIGITAL INTERFACE
D7
33
C
VDDA1
100 nF
AGND1
5
VCCA1 ₆
D6
32
D
D5
31
E
AGCOUT
D4
7
TDA8786G
30
F
PBIN
8
or
D3
29
G
220 nF
PBOUT
9
TDA8786AG
D2
28
H
ADCIN
D1
10
27
I
CLPADC
D0
11
Vref ₁₂
26
J
DGND1
25
220 nF
13 14 15 16 17 18 19 20 21 22 23 24
K
10 µF
CLAMPADC
(from PPG)
100 nF
VDDD
10 kΩ
P1.0
2
P1.1
3
VDD
44
P0.0/AD0
43
VDDD
1 nF
VDDA1
VDDD
OEN (optional)
(to ADC)
P1.2
P1.3
P1.4
P1.5
4 ^MICRO- 42
CONTROLLER
5
41
6
40
7
39
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
SDA
5
4 ^VSS
100
SCL ^EPROM A2
nF
6 _PCF8598 3
4.7
kΩ
VDDD
4.7
kΩ
PTC
VDD
7
8
PCF8594
PCF8582
NC
2
1 ^WP
L
P1.6/SCL
P0.5/AD5
1
1
2.2 200
M
VDDD
VDDD
8
P1.7/SDA
4.7 µF
9
RST
10
38 _P0.6/AD6 VDDD VDDD
37
P0.7/AD7
36
100 nF
nF nF nF nF
P3.0/RxD
11
P3.1/TxD
83C54/
EA
35
83C654
ALE
VDDD
13
P3.2/INT0
(OM-XXX) ³³ _PSEN
14
32
P3.3/INT1
P2.7/A15
A0/SNDA
SCL/SNCL
15
P3.4/T0
16
P3.5/T1
31
P2.6/A14
30
P2.5/A13
RESET_DSP
(to DSP)
HD (opt.)
17
P3.6/WR
29
P2.4/A12
FIIN
A1/SNRES
18
P3.7/RD ₁₉
XTAL2 ₂₀
28
P2.3/A11
27
P2.2/A10
26
18 pF
XTAL1
21
P2.1/A9
25
12 MHz
VSS ₂₂
P2.0/A8
24
MGK393
18 pF
Fig.17 SAA8110G system configuration for camera application (continued in Fig.18).
1997 Nov 17
20