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參數資料
| 型號： | HT82V842-48LQFP-A |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | CCD CDS/PGA/10b-20M-ADC |
| 中文描述： | 防治荒漠化公約CDS/PGA/10b-20M-ADC |
| 文件頁數： | 2/18頁 |
| 文件大小： | 161K |
| 代理商： | HT82V842-48LQFP-A |
Pin Assignment
Pin Description
Pin No.
Pin Name
I/O
Description
1, 3, 17~18, 21
NC
No connection
2, 6~7, 19, 34, 43
VDD
Positive power supply for analog circuit
4
VRN
O
Negative reference voltage for internal ADC
Connect to V
SS
via 0.1 F
5
VRP
O
Positive reference voltage for internal ADC
Connect to V
SS
via 0.1 F
8~9, 20, 33, 42
VSS
Negative power supply for analog circuit
10
VCOM
O
Common reference voltage for internal ADC
11
CCDIN
I
CDS circuit data input
12
REFIN
I
CDS circuit reference input
13
CLPCAP
O
Clamp level output
Connect to V
SS
via 0.1 F
14
ADIN
I
ADIN signal input
15
OBCAP
O
Black level integration voltage
Connect to V
SS
via 0.1 F~1 F (by applications)
16
MONOUT
O
Monitor output of CDS or PGA
22
ADCK
I
ADC sampling clock input
23
SHR
I
Reference sampling pulse input
24
SHD
I
Data sampling pulse input
25
ADCLP
I
Pulse input for ADIN clamp and black calibration control
26
BLK
I
Blanking pulse input
27
CCDCLP
I
Clamp control input
28
OBP
I
Black level period pulse input
29
SCK
I
Serial clock input
30
SDATA
I
Serial data input
31
CS
I
Serial port chip selection (Active at low)
32
STBY
I
Power down control (Active low)
35
RESET
I
Reset signal (Active low)
36
OUTCK
I
Clock source for ADC output
37~41, 44~48
DO0~DO9
O
Digital output from ADC
HT82V842
Rev. 1.00
2
July 15, 2004
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