NCO-Related Registers
4-17
4.2.17 Register 42
EXT_GAP
Gap Bytes
R/W [7:0]
This value indicates the number of gap bytes applied to
the TS input. These are NCO-related register fields; they
are used only in PLL Mode 2. The reset value is
0b0100 0110.
4.2.18 Register 43
THRESHOLD FIFO Measurement Threshold
R/W [7:0]
This value sets the threshold for the virtual FIFO
measurement, which is used as the initial value for the
autoacquisition. These are NCO-related register fields;
they are used only in PLL Mode 2. The reset value is
0b0111 0011
Table 4.2 shows the reset values for all register fields.
7
0
EXT_GAP
7
0
THRESHOLD
Table 4.2
Reset Values for Register Fields
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
A
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
1
1
0
1
1
0
0
0
0
0
2
0
0
0
0
0
0
0
0
3
1
0
1
1
1
0
1
1
4
0
1
0
0
0
1
1
1
5
1
0
1
0
0
0
0
1
6
0
0
0
0
1
0
0
0
7
0
0
0
0
0
0
0
0
8
0
0
0
0
0
0
1
0
9
0
0
0
0
0
0
0
0
10
0
0
0
1
0
0
0
0
11
Содержание L64777
Страница 1: ...L64777 DVB QAM Modulator Order Number I14031 A Technical Manual June 2000...
Страница 10: ...x Contents...
Страница 14: ...1 4 Introduction...
Страница 90: ...5 10 Signals...
Страница 110: ...A 8 Programming the L64777 in Serial Host Interface Mode...
Страница 116: ...C 2 Monitoring Device Internal Signals...
Страница 124: ......