
CY28510
Document #: 38-07542 Rev. **
Page 6 of 13
.
Byte 3: Clock Spread Enable Register 1
Bit
7
6
5
4
3
2
1
0
@Pup
0
0
0
0
0
0
0
0
Name
CLKG0_0
CLKG0_1
CLKG0_2
CLKG0_3
CLKG0_4
CLKG0_5
CLKG0_6
CLKG0_7
Description
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Byte 4: Clock Spread Enable Register 2
Bit
7
6
5
4
3
2
1
0
@Pup
0
0
0
0
0
0
0
0
Name
CLKG1_0
CLKG1_1
CLKG1_2
CLKG1_3
CLKG2_0
CLKG2_1
CLKG3
CPNTRL0
Description
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Spread spectrum control. 0 = disabled, 1 = enabled
Charge Pump Control Bit1. See
Table 4
. Refer to CPNTRL1 in Byte 2,
bit 5.
Byte 5: Clock Frequency Select Register 1
Bit
7
6
5
4
3
2
1
0
@Pup
0
0
0
0
0
0
0
0
Name
CLKG0_0
CLKG0_1
CLKG0_2
CLKG0_3
CLKG0_4
CLKG0_5
CLKG0_6
CLKG0_7
Description
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Byte 6: Clock Frequency Select Register 2
Bit
7
6
5
4
3
2
1
0
@Pup
0
0
0
0
0
0
0
0
Name
CLKG1_0
CLKG1_1
CLKG1_2
CLKG1_3
CLKG2_0
CLKG2_1
CLKG3
DAFEN
Description
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
Frequency select. 0 = 33 MHz, 1 = 66 MHz
M and N register mux selection. 0 = M and N values come from the ROM.
1 = data is loaded from the DAF registers into M and N.