LPC47M172 SMSC Corporation, LPC47M172 Datasheet - Page 150
LPC47M172
Manufacturer Part Number
LPC47M172
Description
ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
Manufacturer
SMSC Corporation
Datasheet
1.LPC47M172.pdf
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Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
Note:
(nAUD_LNK_RST)x( nCDC_DWN_ENAB )=nCDC_DWN_RST
SMSC/Non-SMSC Register Sets (Rev. 02-27-04)
If GP24 is programmed as GPIO output the GP data bit will also control nCDC_DWN_ENAB input to the
CNR logic.
This follows the boolean equation:
See Table 13.6 for CNR timing.
nAUD_LNK_RST
NAUD_LNK_RST
0
0
1
1
10k
Table 7.50 - CNR Logic Truth Table
INPUTS
DATASHEET
Figure 7.21 - CNR Circuit
NCDC_DWN_ENAB
Powered by VTR (3.3V)
(NOTE)
Page 150
SMSC I/O
0
1
0
1
nCDC_DWN_RST
OUTPUT
nCDC_DWN_RST
0
0
1
0
SMSC LPC47M172
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