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參數(shù)資料
| 型號(hào)： | MTV012E |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8051 Embedded CRT Monitor Controller OTP Version |
| 中文描述： | CRT顯示器8051嵌入式控制器OTP版 |
| 文件頁(yè)數(shù)： | 13/14頁(yè) |
| 文件大小： | 104K |
| 代理商： | MTV012E |
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MYSON
TECHNOLOGY
MTV012E
MTV012E Revision 1.2 12/23/1998
13/14
SLVADR
(w) : Slave IIC address to which the slave block should respond.
4.0 Test Mode Condition
In normal application, users should not allow MTV012E to enter its test/program mode, outlined as
follows:
Test Mode A: RESET=1 & DA9=1 & DA8=0 & STO=0
Test Mode B: RESET falling edge & DA9=1 & DA8=0 & STO=1
Program Mode: RESET=1 & DA9=0 & DA8=1
5.0 INTERNAL EPROM
To program the internal EPROM, MTV012E must be running at a 4 to 6 MHz cycle time. The address of
an EPROM location to be programmed is applied to Port1 (A0 - A7) and pins P2.0 - P2.4(A8 - A12) of
Port2, while the code byte to be programmed is applied to DA0 - DA7. All other pins should be held at the
level indicated in the following table. The overall programming characteristics are very similar to those of
87C52 with the exception that pin #30 and pin #31 are switched.
Mode
RST
1
1
1
1
DA9
1
0
0
0
STOUT
0
P*
P*
1
DA8
1
VPP
VPP
1
P2.7
X
1
1
0
P2.6
X
0
1
0
HBLANK
X
1
1
1
VBLANK
X
1
1
1
Normal Reset
Program Code Data
Program Lock Bit
Verify Code
Note 1: VPP = 12.7V
Note 2: P* is pulsed low for 100uS for programming.
6.0 ELECTRICAL PARAMETERS
6.1 Absolute Maximum Ratings
at: Ta= 0 to 70
o
C, VSS=0V
Symbol
VDD
Vin
Vout
Topg
Tstg
Range
-0.3 to +6.0
-0.3 to VDD+0.3
-0.3 to VDD+0.3
0 to +70
-25 to +125
Unit
V
V
V
o
C
o
C
Maximum Supply Voltage
Maximum Input Voltage
Maximum Output Voltage
Maximum Operating Temperature
Maximum Storage Temperature
6.2 Allowable Operating Conditions
at: Ta= 0 to 70
o
C, VSS=0V
Name
Symbol
VDD
Vih1
Vil1
Fopg
Min.
4.0
Max.
6.0
VDD +0.3
0.15 x VDD
15
Unit
V
V
V
MHz
Supply Voltage
Input "H" Voltage
Input "L" Voltage
Operating Freq.
0.7 x VDD
-0.3
-
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