FDC37B727-NS Standard Microsystems (SMSC), FDC37B727-NS Datasheet - Page 167

• Manufacturer Part Number: FDC37B727-NS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37B727-NS

• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

Note 1: To allow the selection of the configuration address to a user defined location, these Configuration
The configuration address is only reset to its default address upon a Hard Reset or Vcc POR.
Note: The default configuration address is either 3F0 or 370, as specified by the SYSOPT pin.
This change affects SMSC Mode only.
Configuration
Address Byte 0
Default=0xF0
(Sysopt=0)
=0x70 (Sysopt=1)
on Vcc POR or
Reset_Drv
Configuration
Address Byte 1
Default = 0x03
on Vcc POR or
Reset_Drv
Chip Level
Vendor Defined
TEST 4
TEST 5
TEST 1
TEST 2
TEST 3
Default = 0x00,
on Vcc POR or
Reset_Drv
hardware signal.
REGISTER
Address Bytes are used. There is no restriction on the address chosen, except that A0 is 0, that
is, the address must be on an even byte boundary. As soon as both bytes are changed, the
configuration space is moved to the specified location with no delay (Note: Write byte 0, then byte
1; writing CR27 changes the base address).
0x28 -0x2A
ADDRESS
0x2C R/W
0x2D R/W
0x2B R/W
0x2E R/W
0x2F R/W
0x26
0x27
Bit[7:1] Configuration Address Bits [7:1]
Bit[0] = 0
See Note 1 Below
Bit[7:0] Configuration Address Bits [15:8]
See Note 1 Below
Reserved - Writes are ignored, reads return 0.
Test Modes: Reserved for SMSC. Users should not write
to this register, may produce undesired results.
Test Modes: Reserved for SMSC. Users should not write
to this register, may produce undesired results.
Test Modes: Reserved for SMSC. Users should not write
to this register, may produce undesired results.
Test Modes: Reserved for SMSC. Users should not write
to this register, may produce undesired results.
Test Modes: Reserved for SMSC. Users should not write
to this register, may produce undesired results.
168
DESCRIPTION
STATE
C
C
C
C
C
C
C