WM8141 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8141 Datasheet PDF : 31 Pages
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Production Data
PIN NAME
23 SEN/STB
24 SDI/DNA
25 SCK/RNW
26
RLC/
ACYC
27
VSMP
28
MCLK
29
DGND
30
OP[0]
31
OP[1]
32 DVDD2
TYPE
Digital input
Digital input
Digital input
Digital input
Digital input
Digital input
Supply
Digital output
Digital output
Supply
WM8141
DESCRIPTION
Serial Interface: Enable pulse, active high. Parallel Interface: Strobe, active low.
Latched on NRESET rising edge: If Low then device control is via serial interface,
if High then device control is via parallel interface.
Serial Interface: Serial input
data signal.
Parallel Interface: High = data,
Low = address.
Serial Interface: Serial clock signal.
Parallel Interface:
High = OP[11:4] is output bus,
Low = OP[11:4] is input bus (Hi-Z)
Selects whether Reset Level Clamp is
applied (active high). If RLC is required on
every pixel then this pin can be tied high.
ACYC, auto-cycles between RINP, GINP,
BINP when in line by line mode.
Video sample synchronisation pulse.
Master clock. This clock is applied at N times the input pixel rate (N = 8, 6, 3 or 2
depending on the input sampling mode).
Digital ground (0V).
Hi-Z digital 12-bit bi-directional bus, see description for pins OP[2] to OP[11]/SDO.
Digital supply (3.3/5V) for all digital pins.
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at
or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical
Characteristics at the test conditions specified
ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible
to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage
of this device.
As per JEDEC specifications A112-A and A113-B, this product requires specific storage conditions prior to surface mount
assembly. It has been classified as having a Moisture Sensitivity Level of 2 and as such will be supplied in vacuum-sealed
moisture barrier bags.
CONDITION
MIN
MAX
Analogue supply voltage: AVDD
Digital supply voltages: DVDD1, DVDD2
Digital ground: DGND
Analogue ground: AGND
Digital inputs, digital outputs and digital pins
Analogue inputs (RINP, GINP, BINP)
Other pins
Operating temperature range: TA
Storage temperature
Package body temperature (soldering, 10 seconds)
Package body temperature (soldering, 2 minutes)
GND - 0.3V
GND - 0.3V
GND - 0.3V
GND - 0.3V
GND - 0.3V
GND - 0.3V
GND - 0.3V
0°C
-50°C
GND + 7V
GND + 7V
GND + 0.3V
GND + 0.3V
DVDD2 + 0.3V
AVDD + 0.3V
AVDD + 0.3V
+70°C
+150°C
+240°C
+183°C
Notes: 1. GND denotes the voltage of any ground pin.
2. AGND and DGND pins are intended to be operated at the same potential. Differential voltages between these pins
will degrade performance.
3. AVDD and DVDD1 pins are intended to be operated at the same potential. Differential voltages between these pins
will degrade performance.
WOLFSON MICROELECTRONICS LTD
PD Rev 3.0 October 2000
3
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