Pm49FL002 / Pm49FL004
2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory
FEATURES
• Single Power Supply Operat...
Pm49FL002 / Pm49FL004
2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory
FEATURES
Single Power Supply Operation - Low
voltage range: 3.0 V - 3.6 V
Standard Intel Firmware Hub/LPC Interface - Read compatible to Intel® 82802 Firmware Hub
devices - Conforms to Intel LPC Interface Specification
Revision 1.1
Memory Configuration - Pm49FL002: 256K x 8 (2 Mbit) - Pm49FL004: 512K x 8 (4 Mbit)
Cost Effective Sector/Block Architecture
- Pm49FL002: Sixty-four uniform 4 Kbyte sectors, or sixteen uniform 16 Kbyte blocks (sector group)
- Pm49FL004: One hundred and twenty-eight uniform 4 Kbyte sectors, or eight uniform 64 Kbyte blocks (sector group)
Top Boot Block
- Pm49FL002: 16 Kbyte top Boot Block - Pm49FL004: 64 Kbyte top Boot Block
Automatic Erase and Program Operation
- Build-in automatic program verification for extended product endurance
- Typical 25 µs/byte programming time - Typical 50 ms sector/block/chip erase time
Two Configurable Interfaces
- In-System hardware interface: Auto detection of Firmware Hub (FWH) or Low Pin Count (LPC) memory cycle for in-system read and write operations
- Address/Address-Multiplexed (A/A Mux) interface for programming on EPROM Programmers during manufacturing
Firmware HUB (FWH)/Low Pin Count (LPC)
Mode - 33 MHz synchronous operation with PCI bus - 5-signal communication interface for in-system
read and write operations - Standard SDP Command Set - Data# Polling and Toggle Bit features - Register-based read and write prot...