USB97C201-MN SMSC [SMSC Corporation], USB97C201-MN Datasheet - Page 23

• Manufacturer Part Number: USB97C201-MN
• Description: USB 2.0 ATA/ ATAPI Controller
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – USB97C201
TXD "Uart P3.1"
8051 "T0 timer P3.4"
IDE_nIOW
8051 "T1 timer P3.5"
RXD "Uart P3.0"
GPIO1 data out
GPIO4 data out
Mux Enable
GPIO Direction Bit
Mux Enable
Mux Enable
GPIO0 data out
FIGURE 2 - GPIO MUXING BLOCK DIAGRAM
S
0
1
0
1 S
0
1 S
S
Enable
S
0
1
"0"
PRELIMINARY
Edge Detector
0
1
Mux Enable
GPIO out data
GPIO in data
Mux Enable
GPIO0 data in
GPIO1 data in
GPIO4 data in
TBD
TBD
1 Hz
gate
Edge Detector
GPIO2 data in
Page 23
GPIO3 data in
GPIO3 data out
GPIO2 data out
GPIO0 DIR
GPIO4 DIR
GPIO1 DIR
Edge Detector
GPIO2 DIR
Edge Detector
GPIO3 DIR
Edge Detector
GPIO[7:5]
GPIO4/
GPIO0
GPIO1
nWE
GPIO2
GPIO3
Rev. 03/25/2002