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參數(shù)資料
| 型號： | P8242AH |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | UNIVERSAL PERIPHERAL INTERFACE 8-BIT SLAVE MICROCONTROLLER |
| 中文描述： | 8-BIT, MROM, 12.5 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 243K |
| 代理商： | P8242AH |
UPI-41AH/42AH
ACCESS CODE
The following table summarizes the access codes required to invoke the Sync Mode, Signature Mode,
and the Security Bit, respectively. Also, the programming and verification modes are included for
comparison.
Control Signals
Data Bus
Access Code
Modes
Port 2
Port 1
T0
RST SS EA PROG V
DD
V
CC
0
1
2
3
4
5
6
7
0 1 2 0
1 2 3 4 5 6 7
Programming
Mode
0
0
1
HV
1
V
DDH
V
CC
Address
Addr
a
0
a
1
X X X X X X
0
1
1
HV
STB
V
DDH
V
CC
Data In
Addr
Verification
Mode
0
0
1
HV
1
V
CC
V
CC
Address
Addr
a
0
a
1
X X X X X X
1
1
1
HV
1
V
CC
V
CC
Data Out
Addr
Sync Mode
STB
High
0
HV
0
X
V
CC
V
CC
X
X
X
X
X
X
X
X
X X X X
X X X X X X X
Signature Prog
Mode
0
0
1
HV
1
V
DDH
V
CC
Addr. (see Sig Mode Table)
0 0 0 0
1 1 1 1 X X 1
0
1
1
HV
STB
V
DDH
V
CC
Data In
0 0 0
Verify
0
0
1
HV
1
V
CC
V
CC
Addr. (see Sig Mode Table)
0 0 0
1
1
1
HV
1
V
CC
V
CC
Data Out
0 0 0
Security
Bit/Byte
Prog
0
0
1
HV
1
V
DDH
V
CC
Address
0 0 0
0
1
1
HV
STB
V
DDH
V
CC
Data In
0 0 0
Verify
0
0
1
HV
1
V
CC
V
CC
Address
0 0 0
1
1
1
HV
1
V
CC
V
CC
Data Out
0 0 0
NOTES:
1. a
0
e
0 or 1; a
1
e
0 or 1. a
0
must
e
a
1
.
ABSOLUTE MAXIMUM RATINGS
*
Ambient Temperature Under Bias àààà0
§
C to
a
70
§
C
Storage Temperature àààààààààà
b
65
§
C to
a
150
§
C
Voltage on Any Pin with
Respect to Groundàààààààààààààà
b
0.5V to
a
7V
Power Dissipation ààààààààààààààààààààààààà1.5 W
NOTICE: This is a production data sheet. The specifi-
cations are subject to change without notice.
*
WARNING: Stressing the device beyond the ‘‘Absolute
Maximum Ratings’’ may cause permanent damage.
These are stress ratings only. Operation beyond the
‘‘Operating Conditions’’ is not recommended and ex-
tended exposure beyond the ‘‘Operating Conditions’’
may affect device reliability.
D.C. CHARACTERISTICS
T
A
e
0
§
C to
a
70
§
C, V
CC
e
V
DD
e a
5V
g
10%
Symbol
Parameter
UPI-41AH/42AH
Units
Notes
Min
Max
V
IL
Input Low Voltage (Except XTAL1, XTAL2, RESET)
b
0.5
0.8
V
V
IL1
Input Low Voltage (XTAL1, XTAL2, RESET)
b
0.5
0.6
V
V
IH
Input High Voltage (Except XTAL1, XTAL2, RESET)
2.0
V
CC
V
V
IH1
Input High Voltage (XTAL1, RESET)
3.5
V
CC
V
V
IH2
Input High Voltage (XTAL2)
2.2
V
CC
V
V
OL
Output Low Voltage (D
0
–D
7
)
0.45
V
I
OL
e
2.0 mA
11
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