PC87591, PC87591E, PC87591E/S Selling Leads, Datasheet
MFG:3266 Package Cooled:N/A D/C:08+
PC87591, PC87591E, PC87591E/S Datasheet download
Part Number: PC87591
MFG: 3266
Package Cooled: N/A
D/C: 08+
PC87591, PC87591E, PC87591E/S
- Table of contents:
Info of PC87591
Info of PC87591E
Info of PC87591E/S
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About PC87591E
PDF/DataSheet Download
Datasheet: PC87591E
File Size: 4766871 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
About PC87591E
PDF/DataSheet Download
Datasheet: PC87591E
File Size: 4766871 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
About PC80Q04N
PDF/DataSheet Download
Datasheet: PC80Q04N
File Size: 59042 KB
Manufacturer: NIEC [Nihon Inter Electronics Corporation]
Download : Click here to Download
PC87591E General Description
The National Semiconductor PC87591E, PC87591S and PC87591L are highly integrated, embedded controllers with an embedded-RISC core and integrated advanced functions. These devices are targeted for a wide range of portable applications that use the Low Pin Count (LPC) interface. The PC87591S is targeted for security applications and includes supporting hardware such as the Hardware Random Number Generator. The PC8591L replaces the on-chip flash with 4K of boot ROM for value solutions using shared BIOS architecture. "PC87591x" refers to all the devices.
The PC87591x incorporates National's CompactRISC CR16B core (a high-performance 16-bit RISC processor), on-chip flash (ROM for the PC87591L) and RAM memories, system support functions and a Bus Interface Unit (BIU) that directly interfaces with optional external memory (such as flash) and I/O devices. System support functions include: WATCHDOG and other timers, interrupt control, general-purpose I/O (GPIO) with internal keyboard matrix scanning, PS/2® Interface, ACCESS.bus® interface, high accuracy analog-to-digital (ADC) and digital-to-analog converters (DAC) for battery charging, system control, system health monitoring and analog controls.
The PC87591x interfaces with the host via an LPC interface that provides the host with access to the Keyboard and embedded controller interface channels, integrated functions,
Real-Time Clock (RTC), BIOS firmware and security functions. Like members of National's SuperI/O family, the PC87591x is PC01 and ACPI compliant.
PC87591E Features
` Host interface, based on Intel's LPC Interface Specification Revision 1.0, September 29th, 1997
` PC01 Rev 1.0, and ACPI 2.0 compliant
` 16-bit RISC core, with 2 Mbyte address space, and running at up to 20 MHz
` Software and Hardware controlled clock throttling
` Shared BIOS flash memory (internal and/or external)
` Y2K-compliant RTC
` 84/117 GPIO ports (for 128-pin/176-pin packages) with a variety of wake-up events
` Extremely low current consumption in Idle mode
` JTAG-based debugger interface
` 128-pin and 176-pin options, in LQFP package (PC87591L is 176-pin only)
` PC01 Rev 1.0, and ACPI 2.0 compliant
` 16-bit RISC core, with 2 Mbyte address space, and running at up to 20 MHz
` Software and Hardware controlled clock throttling
` Shared BIOS flash memory (internal and/or external)
` Y2K-compliant RTC
` 84/117 GPIO ports (for 128-pin/176-pin packages) with a variety of wake-up events
` Extremely low current consumption in Idle mode
` JTAG-based debugger interface
` 128-pin and 176-pin options, in LQFP package (PC87591L is 176-pin only)
PC87591E Connection Diagram
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