CY28359
Serial Configuration Map
SMBus Address for the CY28359 when SEL_ADDR=1:
• TheSerialbitswillbereadbytheclockdriverinthefollowing
order:
A6
A5
A4
A3
A2
A1
A0
R/W
Byte 0 - Bits 7, 6, 5, 4, 3, 2, 1, 0
Byte 1 - Bits 7, 6, 5, 4, 3, 2, 1, 0
1
1
0
1
0
0
1
----
.
SMBus Address for the CY28359 when SEL_ADDR=0:
.
Byte N - Bits 7, 6, 5, 4, 3, 2, 1, 0
A6
A5
A4
A3
A2
A1
A0
R/W
• Reserved and unused bits should be programmed to “0”.
1
1
0
1
1
1
0
----
Byte 22: Outputs Active/Inactive Register (1 = Active, 0 = Three-state), Default = Active
Bit
Pin #
Description
Default
Bit 7
Bit 6
--
--
Input Threshold Control00: Normal (1.25V)
0
0
01: 1.20V
10: 1.15V
11: 1.35V
Bit 5
Bit 4
9
1
FBOUTA
0 = Enable, 1 = Disable
0
0
FBOUTB
0 = Enable, 1 = Disable
Bit 3
Bit 2
Bit 1
Bit 0
Reserved, drive to 0
Reserved, drive to 0
DDRBT2, DDRBC2
Reserved, drive to 0
1
1
1
1
--
24, 25
--
Byte 23: Outputs Active/Inactive Register(1 = Active, 0 = Three-state), Default = Active
Bit Pin # Description
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
5,6
DDRBT1, DDRBC1
DDRBT0, DDRBC0
DDRAT2, DDRAC2
Reserved, drive to 0
DDRAT1, DDRAC1
DDRAT0, DDRAC0
Reserved, drive to 0
Reserved, drive to 0
1
1
1
1
1
1
1
1
3,4
21,20
--
14,15
12,13
--
--
Rev 1.0,November 24, 2006
Page 4 of 7
SPECTRALINEAR [ SPECTRALINEAR INC ]
