KSZ8695PX Micrel Inc, KSZ8695PX Datasheet

Page 1

General Description The CENTAUR KS8695PX, Multi-Port PCI Gateway Solution, delivers a new level of networking integration, performance, and overall BOM cost savings, enabling original equipment manufacturers (OEMs) to provide customers with feature- rich, low-cost solutions for the residential gateway and ...

Page 2

... Ordering Information Part Number Industrial Standard Pb (lead)-Free — KS8695PX KSZ8695PX M9999-091605 • Memory and External I/O Interfaces – 8/16/32-bit wide shared data path for Flash, ROM, SRAM, SDRAM, and external I/O – Total memory space up to 64MB – Intel ® ...

Page 3

KS8695PX Revision History Revision Date Revision Date Revision Date Summary of Changes Summary of Changes Summary of Changes 1.0 1.0 1.0 1.0 05/13/03 05/13/03 05/13/03 05/13/03 Created. Created. Created. Created. 1.1 1.1 1.1 1.1 07/06/04 07/06/04 07/06/04 07/06/04 Copied to ...

Page 4

KS8695PX Contents System Level Applications ...............................................................................................................................................................5 Pin Description . ................................................................................................................................................................................6 Pin Confi guration ............................................................................................................................................................................14 Functional Description ....................................................................................................................................................................15 Introduction ...............................................................................................................................................................................15 CPU Features ...........................................................................................................................................................................15 PCI to AHB Bridge Features .....................................................................................................................................................15 Switch Engine ...........................................................................................................................................................................15 Advanced Memory Controller Features ....................................................................................................................................16 Direct Memory Access (DMA) ...

Page 5

KS8695PX System Level Applications Cable Flash/ROM/ DSL Fiber Memory + External I/O Satellite Wireless WAN I/F 10/100 TX/FX Auto MDI-X Console Port Figure 1. KS8695PX PCI Gateway System Options September 2005 HomePlug PCMCIA SDRAM SRAM 8/16/32 Bit KS8695PX 33MHz Integrated ...

Page 6

KS8695PX Pin Description Signal List Alphabetized by Name Pin Number Pin Number Pin Number Pin Number Pin Name Pin Name Pin Name Pin Name Type Type Type Type ADDR0 ADDR0 ADDR0 ADDR0 ADDR0 T4 T4 ...

Page 7

KS8695PX Pin Number Pin Number Pin Number Pin Name Pin Name Pin Name Type Type Type R12 R12 R12 R12 R12 DATA12 DATA12 DATA12 DATA12 DATA12 P12 P12 P12 P12 P12 DATA13 DATA13 DATA13 DATA13 DATA13 U11 U11 U11 U11 ...

Page 8

KS8695PX Pin Number Pin Number Pin Number Pin Name Pin Name Pin Name Type Type Type R17 R17 R17 R17 R17 ERWEN3/ ERWEN3/ ERWEN3/ ERWEN3/ ERWEN3/ TICTESTENN TICTESTENN TICTESTENN P16 P16 P16 P16 P16 EWAITN EWAITN EWAITN EWAITN EWAITN D10 ...

Page 9

KS8695PX Pin Number Pin Number Pin Number Pin Number Pin Name Pin Name Pin Name Pin Name Type Type Type Type L16 L16 L16 L16 L16 GPIO15 GPIO15 GPIO15 GPIO15 GPIO15 H17 H17 H17 H17 H17 GPIO2/EINT2 GPIO2/EINT2 GPIO2/EINT2 GPIO2/EINT2 ...

Page 10

KS8695PX Pin Number Pin Number Pin Number Pin Name Pin Name Pin Name Type Type Type A15 A15 A15 A15 A15 PAD1 PAD1 PAD1 PAD1 PAD1 B13 B13 B13 B13 B13 PAD10 PAD10 PAD10 PAD10 PAD10 D13 D13 D13 D13 ...

Page 11

KS8695PX Pin Number Pin Number Pin Number Pin Name Pin Name Pin Name Type Type Type P15 P15 P15 P15 P15 RCSN0 RCSN0 RCSN0 RCSN0 RCSN0 R15 R15 R15 R15 R15 RCSN1 RCSN1 RCSN1 RCSN1 RCSN1 ...

Page 12

KS8695PX Pin Number Pin Number Pin Number Pin Name Pin Name Pin Name Type Type Type N16 N16 N16 N16 N16 URXD URXD URXD URXD URXD N14 N14 N14 N14 N14 UTXD UTXD UTXD UTXD UTXD ...

Page 13

KS8695PX Pin Number Pin Number Pin Number Pin Name Pin Name Pin Name Type Type Type VDDA1.8 VDDA1.8 VDDA1.8 VDDA1.8 VDDA1 VDDA1.8 VDDA1.8 VDDA1.8 VDDA1.8 VDDA1 ...

Page 14

KS8695PX Pin Confi guration GND PCLKOUT0 PRSTN A PCLKOUT1 REQ3N REQ2N B PCLKOUT2 GNT3N GNT2N C PCLKOUT3 MPCIACTN PMBS D XCLK1 XCLK2 AGND E LAN ISET WANFXSD F FXSD1 WANTXP WANTXM WANRXP G LANTXP1 LANTXM1 LANRXP1 H ...

Page 15

KS8695PX Functional Description Introduction Micrel's KS8695PX, a member of the CENTAUR line of integrated processors high-performance router-on-a-chip solu- tion for Ethernet and 802.11 a/g/b based embedded systems. Designed for use in communication's routers, it integrates a PCI to ...

Page 16

KS8695PX Switch Engine (continued) • Supports 802.1Q tag-based VLAN and port-based VLAN • Supports 8.2,1p-based priority, DiffServ priority, and post-based priority • Integrated address look-up engine, supports 1K absolute MAC addresses • Automatic address learning, address aging, and address migration ...

Page 17

KS8695PX System Level Hardware Interfaces Clock and Reset JTAG WAN Ethernet PHY LAN Ethernet PHY PHY LED Drivers Factory Test At the system level the KS8695PX features the following interfaces: • Clock interface for crystal or external oscillator • JTAG ...

Page 18

KS8695PX Following pins have second function as factory test of chip Confi guration Chip Test Enable Reset The KS8695PX has a single reset input that can be driven by a system reset circuit or a simple power on reset circuit. ...

Page 19

KS8695PX System Clock The clock to the KS8695PX is supplied by either a 25MHz ±50ppm crystal oscillator oscillator is used, it must be connected to the XCLK1 input (pin E1) on the KS8695PX ...

Page 20

KS8695PX Memory Interface The KS8695PX has a glueless interface for SDRAM and static memory, i.e. ROM, SRAM, and Flash. It supports up to two banks of static memory (Figure 7 two banks of SDRAM (Figure 8), and three ...

Page 21

KS8695PX KS8695PX outputs ERWEN[3:0] as write strobes to byte wide, half-word wide, and word-wide memory port. The following fi gures show the most commonly implemented examples September 2005 KS8695P 22 ADDR[21:0] 8 DATA[7:0] ECSN0 EROEN ERWEN0 KS8695PX ADDR0 NC 21 ...

Page 22

KS8695PX M9999-091605 KS8695PX DATA[7:0] ERWEN0 NC ERWEN1 NC ERWEN2 ERWEN3 NC KS8695PX DATA[15:0] ERWEN0 ERWEN1 NC NC ERWEN2 ERWEN3 NC KS8695PX DATA[31:0] ERWEN0 NC ERWEN1 NC ERWEN2 ERWEN3 NC KS8695PX DATA[15:0] DATA[31:0] ERWEN0 NC ERWEN1 ERWEN2 ERWEN3 NC DATA[31:16] Figure ...

Page 23

KS8695PX Signal Descriptions by Group Clock and Reset Pins Pin Pin Pin Name Name Name I/O Type I/O Type I/O Type XCLK1/ XCLK1/ XCLK1/ XCLK1/ XCLK1 CPUCLK CPUCLK CPUCLK CPUCLK ...

Page 24

KS8695PX LAN Ethernet Physical Interface Pins Pin Pin Pin Name Name Name I/O Type I/O Type I/O Type LANTXP1 LANTXP1 LANTXP1 LANTXP1 LANTXP1 LANTXP2 LANTXP2 LANTXP2 K1 ...

Page 25

KS8695PX UART Pins Pin Pin Pin Name Name Name I/O Type I/O Type I/O Type N16 N16 N16 N16 N16 URXD URXD URXD URXD URXD N14 N14 N14 N14 N14 UTXD UTXD UTXD UTXD UTXD ...

Page 26

KS8695PX General Purpose I/O Pins (continued) Pin Pin Pin Name Name Name I/O Type I/O Type I/O Type PCLK PCLK PCLK PCLK PCLK ...

Page 27

KS8695PX General Purpose I/O Pins (continued) Pin Pin Pin Name Name Name I/O Type I/O Type I/O Type C15 C15 C15 C15 C15 PAD2 PAD2 PAD2 PAD2 PAD2 I/O I/O I/O I/O I/O A15 A15 A15 A15 A15 PAD1 PAD1 ...

Page 28

KS8695PX General Purpose I/O Pins (continued) Pin Pin Pin Name Name Name I/O Type( I/O Type( I/O Type — — — — — ...

Page 29

KS8695PX Advanced Memory Interface (SDRAM/ROM/FLASH/SRAM/EXTERNAL I/O) Pin Pin Pin Pin Name Name Name Name I/O Type I/O Type I/O Type I/O Type DATA[31] DATA[31] DATA[31] DATA[31] DATA[31] I/O I/O I/O I/O I ...

Page 30

KS8695PX Pin Pin Pin Pin Name Name Name Name I/O Type I/O Type I/O Type I/O Type T17 T17 T17 T17 T17 EROEN/ EROEN/ EROEN/ EROEN/ EROEN/ O/I O/I O/I O/I O/I WRSTPLS WRSTPLS WRSTPLS WRSTPLS WRSTPLS M17 M17 M17 ...

Page 31

KS8695PX Power and Ground Pins Pin Pin Pin Name Name Name I/O Type I/O Type I/O Type VDDA1.8 VDDA1.8 VDDA1.8 VDDA1.8 VDDA1 ...

Page 32

KS8695PX Pin Pin Pin Name Name Name I/O Type I/O Type I/O Type AGND AGND AGND AGND AGND Gnd Gnd Gnd Gnd Gnd ...

Page 33

KS8695PX Address Map and Register Description Memory Map Upon power up, the KS8695PX memory map is confi gured as shown below. Address Range Address Range Address Range Address Range Region Region Region Region 0x03FF0000-0x03FFFFFF 0x03FF0000-0x03FFFFFF 0x03FF0000-0x03FFFFFF 0x03FF0000-0x03FFFFFF 64KB 64KB 64KB ...

Page 34

KS8695PX Absolute Maximum Ratings Supply Voltage ( ......................................–0.5V to +2.4V DDA1.8 DD1 ......................................–0.5V to +4.0V DDA3.3 DD3.3 Input Voltage (all inputs) ...............................–0.5V to +4.0V Output Voltage (all outputs) ..........................–0.5V to +4.0V Lead Temperature ...

Page 35

KS8695PX Symbol Symbol Symbol Symbol Symbol Symbol Symbol Parameter Parameter Parameter Parameter Parameter Parameter Parameter 100BASE-TX Transmit (measured differentially after 1:1 transformer) V Peak Differential Output Voltage Peak Differential Output Voltage O V Output Voltage Imbalance IMB ...

Page 36

KS8695PX Timing Diagrams For PCI timing, please refer to the PCI specifi cation, version 2.1. Supply Voltages RESETN Strap-In Strap-In Pin Output Symbol Symbol Parameter Parameter t Stable supply voltages to reset high Stable supply voltages to reset high Stable ...

Page 37

KS8695PX SDOCLK RCSNi ADDR[21:0] EROEN ERWENi[3:0] DATA[31:0] SDOCLK RCSNi ADDR[21:0] EROEN ERWEN[3:0] DATA[31:0] (1) (1) Symbol Symbol Parameter Parameter Programmable bank i access time Programmable bank i access time Programmable bank i access time RBiTACC RBiTPA RBiTPA Programmable bank i ...

Page 38

KS8695PX SDOCLK ECSN[i] ADDR[21:0] EROEN ERWEN[3:0] EWAITN DATA[31:0] Symbol Symbol Parameter Parameter Valid address to CS setup time Valid address to CS setup time cta cta +0.8 +0.8 +0.8 +0.8 +0 valid to ...

Page 39

KS8695PX SDOCLK (1) SDCSNi ADDR[21:0] SDRASN SDCASN SDWEN SDQM[3:0] DATA[31:0] SDOCLK ��� SDCSNi ADDR[21:0] SDRASN SDCASN SDWEN SDQM[3:0] DATA[31:0] Symbol Symbol Parameter Parameter Programmable SDRAM RAS to CAS latency Programmable SDRAM RAS to CAS latency Programmable SDRAM RAS to CAS ...

Page 40

KS8695PX Package Information MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by ...