API820G View Datasheet(PDF) - APLUS INTEGRATED CIRCUITS
Part Name
Description
Manufacturer
API820G Datasheet PDF : 5 Pages
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PIN ASSIGNMENT
API 820G
P1.2 1
P1.1 2
P1.0 3
GND 4
OSC 5
VPP 6
VO2 7
VO1 8
VDD 9
18 P1.3
17 P2.0
16 P2.1
15 P2.2
14 P2.3
13 P3.0
12 P3.1
11 P3.2
10 P3.3
18 pin DIP
API 820G
PROGRAMMING MODE
Mode
P13 P12 P11
Regular
0
0
0
Security
0
0
1
TIMING PARAMETER
Symbol
Parameter
Min.
Max.
Unit
Trs
Level set up time
2
us
Tmcs
Mode code setup time
2
us
Tdsu
Data set up time
100
ns
Tdsh
Data hold time
100
ns
Tas
ACLK to byte select time
2
us
Tacpw
Address clock pulse width
2
us
Tppw
Program pulse width
100
us
Tps
Programming mode set up time
4
us
Toed
Output enable setup time
300
ns
Note : Segment ROM S1, S0 is programed just while 5 LSBs of ADDR are all 0.
Programming for security mode :
When programming in security mode, the waveform is just like above. The programming data is as below :
B11 ~ B1
B0
User defined
Security bit
Note : When security = 0, enable security;
When security = 1, disable security.
2
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