P80C3XX2_8XC5XX2 NXP Semiconductors, P80C3XX2_8XC5XX2 Datasheet - Page 50
P80C3XX2_8XC5XX2
Manufacturer Part Number
P80C3XX2_8XC5XX2
Description
The Philips microcontrollers described in this data sheet arehigh-performance static 80C51 designs incorporating Philips?high-density CMOS technology with operation from 2
Manufacturer
NXP Semiconductors
Datasheet
1.P80C3XX2_8XC5XX2.pdf
(62 pages)
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1. ‘0’ = Valid low for that pin, ‘1’ = valid high for that pin.
2. V
3. V
4. Bit is output on P0.4 (1 = 12x, 0 = 6x).
5. Security bit one is output on P0.7.
*
1. P – programmed. U – unprogrammed.
2. Any other combination of the security bits is not defined.
Philips Semiconductors
Table 9. EPROM Programming Modes
NOTES:
Table 10. Program Security Bits for EPROM Devices
NOTES:
2003 Jan 24
Read signature
Program code data
Verify code data
Pgm encryption table
Pgm security bit 1
Pgm security bit 2
Pgm security bit 3
Program to 6-clock mode
Verify 6-clock
Verify security bits
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
Security bit two is output on P0.6.
Security bit three is output on P0.3.
ALE/PROG receives 5 programming pulses for code data (also for user array; 5 pulses for encryption or security bits) while V
12.75 V. Each programming pulse is low for 100 s ( 10 s) and high for a minimum of 10 s.
1
2
3
4
PP
CC
PROGRAM LOCK BITS
= 12.75 V 0.25 V.
= 5 V 10% during programming and verification.
SB1
MODE
U
P
P
P
4
5
SB2
U
U
P
P
1, 2
SB3
U
U
U
P
RST
1
1
1
1
1
1
1
1
1
1
PROTECTION DESCRIPTION
No Program Security features enabled. (Code verify will still be encrypted by the Encryption Array if
programmed.)
MOVC instructions executed from external program memory are disabled from fetching code bytes
from internal memory, EA is sampled and latched on Reset, and further programming of the EPROM
is disabled.
Same as 2, also verify is disabled.
Same as 3, external execution is disabled. Internal data RAM is not accessible.
PSEN
0
0
0
0
0
0
0
0
0
0
ALE/PROG
0*
0*
0*
0*
0*
0*
1
1
1
1
50
EA/V
V
V
V
V
V
V
1
1
1
1
PP
PP
PP
PP
PP
PP
PP
P2.7
0
1
0
1
1
1
0
0
e
e
P2.6
0
0
0
0
1
1
1
0
0
0
P80C3xX2; P80C5xX2;
P3.7
0
1
1
1
1
0
0
1
0
1
P3.6
P87C5xX2
0
1
1
0
1
0
1
0
1
0
PP
Product data
is held at
P3.3
X
X
X
X
X
X
X
X
0
1
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