Datasheet

Intel
®
E8870 Scalable Node Controller (SNC) Datasheetvii
8.3.7 P64H2: RSTIN#...................................................................................8-15
8.3.8 SNC: RESETO#..................................................................................8-15
8.3.9 SNC: RESET# and Processor Power-on Configuration......................8-15
8.3.10 SNC and DMH: MEMRST#.................................................................8-15
8.3.11 SNC and DMH: R[3:0]SCK,R[3:0]SIO,R[3:0]CMD..............................8-15
8.3.12 SNC: LRESET#...................................................................................8-15
8.3.13 SNC: BNR# .........................................................................................8-16
8.3.14 SNC: BINIT#........................................................................................8-16
8.3.15 SNC: INIT#..........................................................................................8-16
8.3.16 P64H2: CLK66,PXPCLKO,PXPCLKI ..................................................8-16
8.3.17 SIOH: CLK33.......................................................................................8-16
8.3.18 SNC and SPS and SIOH: NODEID,BUSID.........................................8-16
9 Electrical Specifications...................................................................................................9-1
9.1 Non-operational Maximum Rating......................................................................9-1
9.2 Operational Power Delivery Specification ..........................................................9-1
9.3 SNC System Bus Signal Group..........................................................................9-2
9.3.1 Overview ...............................................................................................9-2
9.3.2 Signal Group .........................................................................................9-3
9.3.3 DC Specifications..................................................................................9-4
9.4 Scalability Port (SP) Signal Group .....................................................................9-4
9.5 Main Channel Interface ......................................................................................9-5
9.5.1 Main Channel Interface Reference Voltage Specification.....................9-5
9.5.2 DC Specifications..................................................................................9-6
9.5.3 AC Specifications ..................................................................................9-6
9.6 LPC Signal Group ..............................................................................................9-7
9.6.1 DC Specifications..................................................................................9-7
9.6.2 AC Specifications ..................................................................................9-7
9.7 SMBus and TAP Electrical Specifications..........................................................9-7
9.7.1 DC Specifications..................................................................................9-8
9.7.2 AC Specifications ..................................................................................9-9
9.7.3 AC Timing Waveforms ........................................................................9-10
9.8 Miscellaneous Signal Pins................................................................................9-11
9.8.1 Signal Groups......................................................................................9-11
9.8.2 DC Characteristics ..............................................................................9-12
9.8.3 AC Specification..................................................................................9-13
9.9 Clock Signal Groups.........................................................................................9-15
9.9.1 AC Specification..................................................................................9-15
10 Ballout and Package Information ..................................................................................10-1
10.1 1357-ball OLGA2b Package Information..........................................................10-1
10.2 Ball-out Specifications......................................................................................10-3
10.2.1 Ball-out Lists........................................................................................10-3
11 Testability ......................................................................................................................11-1
11.1 Test Access Port (TAP)....................................................................................11-1
11.1.1 The TAP Logic.....................................................................................11-1
11.1.2 Accessing the TAP Logic ....................................................................11-2
11.2 Public TAP Instructions ....................................................................................11-4
11.3 Private TAP Instructions...................................................................................11-5
11.4 TAP registers....................................................................................................11-5