PM49FL004T-33JC PMC-Sierra Inc, PM49FL004T-33JC Datasheet
![no-image](/images/manufacturer_photos/0/5/530/pmc-sierra_inc_sml.jpg)
PM49FL004T-33JC
Available stocks
Related parts for PM49FL004T-33JC
PM49FL004T-33JC Summary of contents
Page 1
PMC 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory FEATURES • Single Power Supply Operation - Low voltage range: 3 3.6 V • Standard Intel Firmware Hub/LPC Inter- face ® - Read compatible to Intel ...
Page 2
PMC GENERAL DESCRIPTION The Pm49FL002/004 are 2 Mbit/4 Mbit 3.3 Volt-only Flash Memories used as BIOS in PCs and Notebooks. These devices are designed to use a single low voltage, ranging from 3.0 Volt to 3.6 Volt, power supply to ...
Page 3
PMC CONNECTION DIAGRAMS FWH LPC A/A Mux GPI1 GPI1 GPI0 GPI0 TBL# TBL# ID3 ID2 ID1 ID0 LAD0 ...
Page 4
PMC PRODUCT ORDERING INFORMATION Pm49FL00x T - ...
Page 5
PMC PIN DESCRIPTIONS ...
Page 6
PMC BLOCK DIAGRAM TBL INIT# FWH[3:0] or LAD[3: FWH4 or LFRAME CLK GPI[4:0] A[10:0] I/O[7: ...
Page 7
PMC DEVICE OPERATION (CONTINUED) The Pm49FL002/004 provide three levels of data protec- tion for the critical BIOS code of PC and Notebook. It includes memory hardware write protection, hardware data protection and software data protection. MEMORY HARDWARE WRITE PROTECTION The ...
Page 8
PMC DEVICE OPERATION (CONTINUED) SECTOR AND BLOCK ERASE The Pm49FL002 contains sixty-four uniform 4 Kbyte sec- tors, or sixteen uniform 16 Kbyte blocks (sector group - consists of four adjecent sectors). The Pm49FL004 con- tains one hundred and twenty-eight uniform ...
Page 9
PMC FWH MODE OPERATION FWH MODE MEMORY READ/WRITE OPERATION In FWH mode, the Pm49FL002/004 are connected through a 5-pin communication interface - FWH[3:0] and ® FWH4 pins to work with Intel Family of I/O Controller Hubs (ICH) chipset platforms. The ...
Page 10
PMC FWH MODE OPERATION (CONTINUED) Table 2: FWH Memory Read Cycle Definition ...
Page 11
PMC FWH MODE OPERATION (CONTINUED) Table 3: FWH Memory Write Cycle Definition ...
Page 12
PMC FWH MODE OPERATION (CONTINUED) FWH BYTE PROGRAM WAVEFORMS CLK RST# or INIT Memory Write IDSEL Cycle FWH[3:0] 1110b ID[3:0] 1 Clock 1 Clock CLK RST# or INIT 2nd Start IDSEL FWH[3:0] ...
Page 13
PMC FWH SECTOR ERASE WAVEFORMS RST# or INIT Memory Write Cycle IDSEL 1110b ID[3:0] 1 Clock 1 Clock RST# or INIT# F ...
Page 14
PMC FWH BLOCK ERASE WAVEFORMS RST# or INIT Memory Write Cycle IDSEL 1110b ID[3:0] 1 Clock 1 Clock RST# or INIT# F ...
Page 15
PMC FWH MODE OPERATION (CONTINUED) FWH GPI REGISTER READ WAVEFORMS CLK RST# or INIT Memory Read Cycle FWH[3:0] 1101b 1 Clock FWH BLOCK LOCKING REGISTER READ WAVEFORMS CLK RST# or INIT Memory ...
Page 16
PMC LPC MODE OPERATION LPC MODE MEMORY READ/WRITE OPERATION In LPC mode, the Pm49FL002/004 use the 5-pin LPC interface includes 4-bit LAD[3:0] and LFRAME# pins to communicate with the host system. The addresses and data are transmitted through the 4-bit ...
Page 17
PMC LPC MODE OPERATION (CONTINUED ...
Page 18
PMC LPC MODE OPERATION (CONTINUED) Table 5: LPC Memory Write Cycle Definition ...
Page 19
PMC LPC MODE OPERATION (CONTINUED) LPC BYTE PROGRAM WAVEFORMS CLK RST# or INIT Memory Write 1st Start Cycle LAD[3:0] 0000b 011Xb 1 Clock 1 Clock CLK RST# or INIT ...
Page 20
PMC LPC SECTOR ERASE WAVEFORMS RST# or INIT Memory 1st Start LAD[3:0] 0000b 011Xb 1 Clock 1 Clock RST# or INIT ...
Page 21
PMC LPC BLOCK ERASE WAVEFORMS RST# or INIT Memory Write 1st Start Cycle LAD[3:0] 0000b 011Xb 1 Clock 1 Clock RST# or INIT ...
Page 22
PMC LPC MODE OPERATION (CONTINUED) LPC GPI REGISTER READ WAVEFORMS CLK RST# or INIT# LFRAME# Start LAD[3:0] 0000b 1 Clock Programmable Microelectronics Corp. Memory Read Address Cycle 1111b 1100b 010Xb 1111b 1011b 0000b 0001b 1 Clock Load Address "FFBC0100h" in ...
Page 23
PMC REGISTERS The Pm49FL002/004 have two registers include the Gen- eral Purpose Inputs Register (GPI_REG - available in FWH and LPC modes) and the Block Locking Register (BL_REG - available in FWH mode only). The GPI_REG can be read at ...
Page 24
PMC REGISTERS (CONTINUED) Table 7. Block Locking Register Definition " " ...
Page 25
PMC REGISTERS (CONTINUED) Table 8. Pm49FL002 Block Locking Register Address ...
Page 26
PMC A/A MUX MODE OPERATION A/A MUX MODE READ/WRITE OPERATION The Pm49FL002/004 offers a Address/Address Multi- plexed (A/A Mux) mode for off-system operation, typi- cally on an EPROM Programmer, similar to a traditional Flash memory except the address input is ...
Page 27
PMC SYSTEM MEMORY MAP System Memory (Top 4 MBytes) FFFFFFFFh FFFC0000h FFF80000h FFF00000h FFC00000h Programmable Microelectronics Corp. Pm49FL002 (2 Mbits) Pm49FL004 (4 Mbits) Range for other FWH Devices Table 11. System Memory Map 27 Pm49FL002 / 004 Pm49FL008 (8 Mbits) ...
Page 28
PMC MEMORY BLOCKS AND ADDRESSES Table 12. Pm49FL002 Sector/Block Address Table ...
Page 29
PMC MEMORY BLOCKS AND ADDRESSES (CONTINUED) Table 13. Pm49FL004 Sector/Block Address Table ...
Page 30
PMC COMMAND DEFINITION Table 14. Software Data Protection Command Definition ...
Page 31
PMC DEVICE OPERATIONS FLOWCHARTS AUTOMATIC PROGRAMMING Programmable Microelectronics Corp. Start Load Data AAh to Address 5555h Load Data 55h to Address 2AAAh Load Data A0h Address to Increment Address 5555h Load Program Data to Program Address I/O7 = Data? or ...
Page 32
PMC DEVICE OPERATIONS FLOWCHARTS (CONTINUED) AUTOMATIC ERASE CHIP ERASE COMMAND Load Data AAh to Address 5555h Load Data 55h to Address 2AAAh Load Data 80h to Address 5555h Load Data AAh to Address 5555h Load Data 55h to Address 2AAAh ...
Page 33
PMC DEVICE OPERATIONS FLOWCHARTS (CONTINUED) SOFTWARE PRODUCT IDENTIFICATION ENTRY Load Data AAh to Address 5555h Load Data 55h to Address 2AAAh Load Data 90h to Address 5555h Enter Product Identification (1,2) Mode Notes: 1. After entering Product Identification Mode, the ...
Page 34
PMC ABSOLUTE MAXIMUM RATINGS ...
Page 35
PMC DC CHARACTERISTICS ...
Page 36
PMC AC CHARACTERISTICS (CONTINUED) FWH/LPC INTERFACE AC INPUT/OUTPUT CHARACTERISTICS ...
Page 37
PMC AC CHARACTERISTICS (CONTINUED) FWH/LPC INTERFACE CLOCK WAVEFORM FWH/LPC INTERFACE MEASUREMENT CONDITION PARAMETERS ...
Page 38
PMC AC CHARACTERISTICS (CONTINUED) FWH/LPC INPUT TIMING PARAMETERS FWH[3:0] or LAD[3:0] (Valid Input Data) FWH/LPC OUTPUT TIMING PARAMETERS FWH[3:0] or LAD[3:0] (Valid Output Data) FWH[3:0] or LAD[3:0] (Float Output Data) Programmable Microelectronics Corp. V ...
Page 39
PMC AC CHARACTERISTICS (CONTINUED) FWH/LPC RESET OPERATION CHARACTERISTICS ...
Page 40
PMC AC CHARACTERISTICS (CONTINUED) A/A MUX MODE READ OPERATIONS CHARACTERISTICS ...
Page 41
PMC AC CHARACTERISTICS (CONTINUED) A/A MUX MODE WRITE (PROGRAM/ERASE) OPERATIONS CHARACTERISTICS ...
Page 42
PMC AC CHARACTERISTICS (CONTINUED) A/A MUX MODE BYTE PROGRAM OPERATIONS AC WAVEFORMS 5555 R/ A/A MUX MODE ...
Page 43
PMC AC CHARACTERISTICS (CONTINUED) A/A MUX MODE SECTOR/BLOCK ERASE OPERATIONS AC WAVEFORMS 5555 R/ DATA A/A MUX MODE TOGGLE BIT ...
Page 44
PMC AC CHARACTERISTICS (CONTINUED) A/A MUX MODE DATA# POLLING AC WAVEFORMS R/ I/O7 Note: ...
Page 45
PMC PACKAGE TYPE INFORMATION 32V 32-Pin Thin Small Outline Package (VSOP - mm)( measure in millimeters) Pin 1 I. 32J 32-Pin Plastic Leaded Chip Carrier ...
Page 46
PMC REVISION HISTORY ...