P8XC557E4 NXP Semiconductors, P8XC557E4 Datasheet - Page 56

• Manufacturer Part Number: P8XC557E4
• Description: The P80C557E4/P83C557E4/P89C557E4 (hereafter generically referred to as P8xC557E4) single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Mar 02
Single-chip 8-bit microcontroller
4-6MHz
4-6MHz
4-6MHz
DON’T CARE
A0-A7
1
1
1
1
A0–A7
1
1
1
1
0
1
1
1
Figure 51. Programming Configuration
Figure 52. Program Verification
SELXTAL1
P1
RSTIN
P3.6
P3.7
XTAL2
XTAL1
V
Figure 50. Erase Configuration
SS
SELXTAL1
SELXTAL1
P1
RSTIN
P3.6
P3.7
XTAL2
XTAL1
V
P1
RSTIN
P3.6
P3.7
XTAL2
XTAL1
V
SS
SS
P89C557E4
P89C557E4
P89C557E4
56
P83C557E4/P80C557E4/P89C557E4
P2.0-P2.5
ALE/WE
PSEN
V
P2.7
P2.6
P3.4
P2.0-P2.5
P2.0-P2.5
DD
ALE/WE
ALE/WE
EA
P0
PSEN
PSEN
V
V
P3.4
P3.4
P2.7
P2.6
P2.7
P2.6
DD
DD
EA
EA
P0
P0
+5 V
+5 V
+5 V
8 x 10 K
PGM DATA
1
1
0
0 (ENABLE)
0
A8-A13
A14
DON’T CARE
A14
DON’T CARE
1
5 ms LOW PULSE
0
1
1
DON’T CARE
PGM DATA
1
2.5 ms LOW PULSE
0
1
0
A8–A13
Product specification