fdc37m707 Standard Microsystems Corp., fdc37m707 Datasheet - Page 139
fdc37m707
Manufacturer Part Number
fdc37m707
Description
Fdc37m707 Enhanced Super I/o Controller With Wake-up Features
Manufacturer
Standard Microsystems Corp.
Datasheet
1.FDC37M707.pdf
(194 pages)
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Note 1: A logical device will be active and powered up according to the following equation:
Interrupt Select
Defaults :
0x70 = 0x00,
on Vcc POR or
Reset_Drv
0x72 = 0x00,
on Vcc POR or
Reset_Drv
DMA Channel Select
Default = 0x04
on Vcc POR or
Reset_Drv
32-Bit Memory Space
Configuration
Logical Device
Logical Device
Configuration
Reserved
LOGICAL DEVICE
REGISTER
DEVICE ON (ACTIVE) = (Activate Bit SET or Pwr/Control Bit SET).
The Logical device's Activate Bit and its Pwr/Control Bit are linked such that setting
or clearing one sets or clears the other. If the I/O Base Addr of the logical device is
not within the Base I/O range as shown in the Logical Device I/O map, then read or
write is not valid and is ignored.
(0xA9-0xDF)
(0xE0-0xFE)
(0x76-0xA8)
(0x70,0x72)
(0x71,0x73)
(0x74,0x75)
ADDRESS
0xFF
Table 55 - Logical Device Registers
0x70 is implemented for each logical device.
description.
uses Interrupt Select register 0x72. Unused
register (0x72) will ignore writes and return
zero when read. Interrupts default to edge
high (ISA compatible).
Reserved - not implemented. These register
locations ignore writes and return zero when
read.
Only 0x74 is implemented for FDC, Serial
Port 2 and Parallel port.
implemented and ignores writes and returns
zero when read.
Configuration.
Reserved - not implemented. These register
locations ignore writes and return zero when
read.
Reserved - not implemented. These register
locations ignore writes and return zero when
read.
Reserved - Vendor Defined (see SMSC
defined
Registers).
Reserved
Refer to Interrupt Configuration Register
139
Logical
Only the keyboard controller
DESCRIPTION
Refer to DMA Channel
Device
Configuration
0x75 is not
STATE
C
C
C
C
C
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