8 / 16 page
W209C
PRELIMINARY
Document #: 38-07171 Rev. *A
Page 8 of 16
Byte 3: Reserved Register (1 = Enable, 0 = Disable)
Bit
Pin#
Name
Default
Pin Description
Bit 7
31
DCLK
1
(Active/Inactive)
Bit 6
-
Reserved
0
Reserved
Bit 5
-
Reserved
0
Reserved
Bit 4
-
Reserved
0
Reserved
Bit 3
47
APIC
1
(Active/Inactive)
Bit 2
-
Reserved
0
Reserved
Bit 1
-
Reserved
1
Reserved
Bit 0
-
Reserved
0
Reserved
Byte 4: Reserved Register (1 = Enable, 0 = Disable)
Bit
Pin#
Name
Default
Pin Function
Bit 7
-
SEL3
0
See Table 4
Bit 6
-
SEL2
0
See Table 4
Bit 5
-
SEL1
0
See Table 4
Bit 4
-
SEL0
0
See Table 4
Bit 3
-
FS(0:4) Override
0
0 = Select operating frequency by FS(0:4) strapping
1 = Select operating frequency by SEL(0:4) bit settings
Bit 2
-
SEL4
0
See Table 4
Bit 1
-
Reserved
1
Reserved
Bit 0
-
Test Mode
0
0 = Normal
1 = Three-stated
Byte 5: Reserved Register (1 = Enable, 0 = Disable)
Bit
Pin#
Name
Default
Pin Description
Bit 7
-
Reserved
0
Reserved
Bit 6
-
Reserved
0
Reserved
Bit 5
-
Reserved
0
Reserved
Bit 4
-
Reserved
0
Reserved
Bit 3
-
Reserved
0
Reserved
Bit 2
-
Reserved
0
Reserved
Bit 1
-
Reserved
0
Reserved
Bit 0
-
Reserved
0
Reserved
Byte 6: Reserved Register (1 = Enable, 0 = Disable)
Bit
Pin#
Name
Default
Pin Description
Bit 7
-
Reserved
0
Reserved
Bit 6
-
Reserved
0
Reserved
Bit 5
-
Reserved
0
Reserved
Bit 4
-
Reserved
0
Reserved
Bit 3
-
Reserved
0
Reserved
Bit 2
-
Reserved
1
Reserved
Bit 1
-
Reserved
1
Reserved
Bit 0
-
Reserved
0
Reserved