summaryrefslogtreecommitdiff
path: root/lpc/h55/README
blob: dba8d958b2e1e8e35b18820cc02cb53da423a6d1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
-------------------------------------------------------------------------------
Intel H55 LPC (low pin count) traffic
-------------------------------------------------------------------------------

This capture is an LPC (low pin count) I/O read transaction from an Intel H55
chipset on a Foxconn H55MXV motherboard.

Details:
http://en.wikipedia.org/wiki/Low_Pin_Count


Hardware setup
--------------

The capture was taken with an FPGA sampling at 200 MHz and imported into sigrok
as 8bit binary data.

  Probe  LPC
  ----------
  2      LCLK
  3      LFRAME#
  4      LAD0
  5      LAD1
  6      LAD2
  7      LAD3


h55_lpc_io_write.sr
---------------
An I/O write to 0x2e (super IO index register) of 0x55.