M5123 Datasheet, PDF (27/121 Pages) List of Unclassifed Manufacturers – Mega I/O Controller with Plug & Play

Acer Laboratories Inc.
M512x : Mega I/O Controller with PnP
Index 0xF6h
Bit 0
Bit 1
Bit 2, 7-4
Bit 3
Index 0xF7h
Bit 0
Bit 1
Bit 2, 7-4
Bit 3
0x01, N/A
CIO31 function definition.
0 : output
1 : input
Input/Output signal polarity.
0 : non-inverted.
1 : inverted
read as 0.
0 : Normal function.
1 : Output function as CS0J
0x01, N/A
CIO32 function definition.
0 : output
1 : input
Input/Output signal polarity.
0 : non-inverted
1 : inverted
read as 0.
0 : Normal function.
1 : Output function as CS1J
Index 0xF8h
Bit 0
Bit 1
Bit 7-2
0x01, N/A
CIO33 function definition.
0 : output
1 : input
Input/Output signal polarity.
0 : non-inverted.
1 : inverted
read as 0.
Index 0xF9h
Bit 0
Bit 1
Bit 7-2
0x01, N/A
CIO34 function definition.
0 : output
1 : input
Input/Output signal polarity.
0 : non-inverted
1 : inverted
read as 0.
--Preliminary, Confidential, Proprietary--
Index 0xFAh
Bit 0
Bit 1
Bit 7-2
0x01, N/A
CIO35 function definition.
0 : output
1 : input
Input/Output signal polarity.
0 : non-inverted.
1 : inverted
read as 0
Index 0xFBh
Bit 0
Bit 1
Bit 7-2
0x01, N/A
CIO36 function definition
0 : output
1 : input
Input/Output signal polarity
0 : non-inverted
1 : inverted
read as 0
Index 0xFCh
Bit 0
Bit 1
Bit 2, 7-4
Bit 3
0x01, N/A
CIO37 function definition.
0 : output.
1 : input
Input/Output signal polarity
0 : non-inverted
1 : inverted
read as 0.
0 : Normal function
1 : enable the secondary KBC signal
source.
CIO33 functions as ALT_KCLK
CIO34 functions as ALT_KDAT
CIO35 functions as ALT_MCLK
CIO36 functions as ALT_MDAT
CIO37 input functions as the switch
control of the traditional and secondary
KBC signal source. When CIO37 is 1, the
traditional one is selected. When 0, the
secondary is selected.
07-02-1997 Document Number: 512xDS02.doc
Acer Labs: 7F, 115 Tung Hsing Street, Taipei 110, Taiwan, R.O.C. Tel: [phone] Fax: [phone]
Page 27