參數(shù)資料
型號(hào)： MTV003
廠商： Electronic Theatre Controls, Inc.
英文描述： Microprocessor Compatible Monitor Controller
中文描述： 微處理器兼容顯示器控制器
文件頁(yè)數(shù)： 2/13頁(yè)
文件大小： 224K
代理商： MTV003
MYSON
TECHNOLOGY
MTV003N
(MTV003)
MTV003 Revision 2.3 07/01/1998
2/13
1.0 CONNECTION DIAGRAM
(20 PIN PDIP 300 MIL PACKAGE)
2.0 PIN DESCRIPTIONS
Name
VSS
DA0
I/O
Pin#
1
2
Function
Ground
(0 V).
Open-Drain PWM
(Pulse Width Modulation)
D/A Converter 0
. The
output pulse width is programmable by writing data to
Reg10
with
8-bit resolution to control the pulse width duration from 0 to 255/256.
The output frequency is 31.25KHz (or15.625KHz). In applications, the
external pull-up resistor can be connected to 12V for the desired full-
scale output.
Open-Drain PWM
D/A Converter 1
.
See DA0.
The output pulse
width is programmable by
Reg11
.
Open-Drain PWM
D/A Converter 2
.
See DA0.
The output pulse
width is programmable by
Reg12
.
Horizontal Blank
. The pulse width and the delay of HBLANK vs.HS
input leading edges are programmable by
Reg7 and Reg6,
respectively.
Vertical Blank
. The output pulse width is programmable by
Reg9
.
Crystal 1
. Used to interface to the oscillator. An 8MHz(or 4MHz)
crystal must be connected between this pin and pin X2. An appropriate
capacitor to Ground, whose value depends on the specified CLof the
crystal, must be connected. This pin can also be used as a direct input
when the external oscillator is used.
O
DA1
O
3
DA2
O
4
HBLANK
O
5
VBLANK
X1
O
I/O
6
7
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