P87C391BER, P87C453EBAA, P87C472 Selling Leads, Datasheet
MFG:INTEL Package Cooled:PLCC68 D/C:98
P87C391BER, P87C453EBAA, P87C472 Datasheet download
Part Number: P87C391BER
MFG: INTEL
Package Cooled: PLCC68
D/C: 98
P87C391BER, P87C453EBAA, P87C472
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Info of P87C391BER
Info of P87C453EBAA
Info of P87C472
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About P873-13
PDF/DataSheet Download
Datasheet: P873-13
File Size: 109717 KB
Manufacturer:
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About P87C453EBAA
PDF/DataSheet Download
Datasheet: P87C453EBAA
File Size: 188713 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About P873-13
PDF/DataSheet Download
Datasheet: P873-13
File Size: 109717 KB
Manufacturer:
Download : Click here to Download
P87C453EBAA General Description
The Philips 8XC453 is an I/O expanded single-chip microcontroller fabricated with Philips high-density CMOS technology. Philips epitaxial substrate minimizes latch-up sensitivity.
The 8XC453 is a functional extension of the 87C51 microcontroller with three additional I/O ports and four I/O control lines. The 8XC453 is available in 68-pin LCC packages. Four control lines associated with port 6 facilitate high-speed asynchronous I/O functions. The 87C453 includes an 8k × 8 EPROM, a 256 × 8 RAM, 56 I/O lines, two 16-bit timer/counters, a seven source, two priority level, nested interrupt structure, a serial I/O port for either a full duplex UART, I/O expansion, or multi-processor communications, and on-chip oscillator and clock circuits.
The 87C453 has two software selectable modes of reduced activity for further power reduction; idle mode and power-down mode. Idle mode freezes the CPU while allowing the RAM, timers, serial port, and interrupt system to continue functioning. Power-down mode freezes the oscillator, causing all other chip functions to be inoperative while maintaining the RAM contents.
P87C453EBAA Maximum Ratings
| PARAMETER | RATING |
| Operating temperature under bias | 0 to +70 40 to +85 |
| Storage temperature range | 65 to +150 |
| Voltage on any other pin to VSS | 0.5 to +6.5 |
| Power dissipation (based on package heat transfer limitations, not device power consumption) |
1.5 |
1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any conditions other than those described in the AC and DC Electrical Characteristics section
of this specification is not implied.
2. This product includes circuitry specifically designed for the protection of its internal devices from the damaging effects of excessive static
charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying greater than the rated maxima.
3. Parameters are valid over operating temperature range unless otherwise specified. Voltages are with respect to VSS unless otherwise noted
P87C453EBAA Features
• 80C51 based architecture
• Seven 8-bit I/O ports
• Port 6 features:
Eight data pins
Four control pins
Direct MPU bus interface
ISA Bus Interface
Parallel printer interface
IBF and OBF interrupts
A flag latch on host write
• On the microcontroller:
8k * 8 EPROM
Quick pulse programming algorithm
Two-level program security system
256 * 8 RAM
Two 16-bit counter/timers
Two external interrupts
• External memory addressing capability
64k ROM and 64k RAM
• Low power consumption:
Normal operation: less than 24mA at 5V, 16MHz
Idle mode
Power-down mode
• Reduced EMI
• Full-duplex enhanced UART
Framing error detection
Automatic address recognition
• Seven 8-bit I/O ports
• Port 6 features:
Eight data pins
Four control pins
Direct MPU bus interface
ISA Bus Interface
Parallel printer interface
IBF and OBF interrupts
A flag latch on host write
• On the microcontroller:
8k * 8 EPROM
Quick pulse programming algorithm
Two-level program security system
256 * 8 RAM
Two 16-bit counter/timers
Two external interrupts
• External memory addressing capability
64k ROM and 64k RAM
• Low power consumption:
Normal operation: less than 24mA at 5V, 16MHz
Idle mode
Power-down mode
• Reduced EMI
• Full-duplex enhanced UART
Framing error detection
Automatic address recognition
P87C453EBAA Connection Diagram
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