 English |
|
|
|
|
|
|
|
| 83C576 Datasheet, PDF (40/46 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators, failure detect circuitry, watchdog timer | |||
| |||
| ◁ |
Philips Semiconductors
80C51 8-bit microcontroller family
8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,
failure detect circuitry, watchdog timer
Product specification
83C576/87C576
Table 3. EPROM Programming Modes
MODE
Read signature
RST
0
PSEN
0
ALE/PROG
1
EA/VPP
1
P2.7
0
P2.6
0
P1.1
0
P1.0
0
Program code data
Verify code data
0
0
0*
VPP
1
0
1
1
0
0
1
1
0
0
1
1
Pgm encryption table
0
0
0*
VPP
1
0
1
0
Pgm security bit 1
0
0
0*
VPP
1
1
1
1
Pgm security bit 2
0
0
0*
VPP
1
1
0
0
NOTES:
1. â0â = Valid low for that pin, â1â = valid high for that pin.
2. VPP = 12.75V ±0.25V.
3. VCC = 5V±10% during programming and verification.
* ALE/PROG receives 5 programming pulses while VPP is held at 12.75V. Each programming pulse is low for 50µs (±10µs) and high for a
minimum of 10µs.
1998 Jun 04
40
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese