VCC Supply voltage VSS Circuit ground VSS1 Secondary ground (in PLCC only) Provided to reduce ground bounce and improve power supply by-passing NOTE This pin is NOT a substitute for VSS pin (pin 22) Port 0 Port 0 is an 8-bit open drain bidirectional I O port As an output port each pin can sink several LS TTL inputs Port 0 pins that have 1’s written to them .
of the 87C51FB FC Port Pin P1 0 P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 Alternate Function T2 (External Count Input to Timer Counter 2) T2EX (Timer Counter 2 Capture Reload Trigger and Direction Control) ECI (External Count Input to the PCA) CEX0 (External I O for Compare Capture Module 0) CEX1 (External I O for Compare Capture Module 1) CEX2 (External I O for Compare Capture Module 2) CEX3 (External I O for Compare Capture Module 3) CEX4 (External I O for Compare Capture Module 4)
PACKAGES
Part 87C51FA FB FC Prefix P N DIP Package Type 40-Pin Plastic DIP 44-Pin PLCC
270961
– 3
PAD (PLCC)
Port .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | N87C51FA |
Intel Corporation |
(N87C51Fx) CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | |
2 | N87C51FC |
Intel Corporation |
(N87C51Fx) CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | |
3 | N87C51 |
Intel Corporation |
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | |
4 | N87C51 |
AMD |
(N87C51 / N87C52T2) CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | |
5 | N87C51GA |
Intel Corporation |
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | |
6 | N87C52T2 |
AMD |
(N87C51 / N87C52T2) CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | |
7 | N87C196KC |
Intel Corporation |
COMMERCIAL/EXPRESS CHMOS MICROCONTROLLER | |
8 | N87C196KC20 |
Intel Corporation |
COMMERCIAL/EXPRESS CHMOS MICROCONTROLLER | |
9 | N87C196MD |
INTEL |
INDUSTRIAL MOTOR CONTROL MICROCONTROLLER | |
10 | N87C196MH |
Intel |
INDUSTRIAL MOTOR CONTROL MICROCONTROLLER | |
11 | N87C196NT |
Intel Corporation |
CHMOS MICROCONTROLLER WITH 1 MBYTE LINER ADDRESS SPACE | |
12 | N87C251SA |
Intel |
(N87C251SA/SB/SP/SQ) High Performance CHMOS Microcontroller |