Datasheet

Comparator Filter Parameter Register (addresses 0x06, 0x0C, 0x12 and 0x18)
AMC1210
www.ti.com .............................................................................................................................................................. SBAS372D – APRIL 2006 – REVISED MAY 2009
The Comparator Filter Parameter Register controls several parameters for the comparator filters. It specifies the
oversampling ratio, three interrupt enables and structure control bits. Table 19 shows the Comparator Filter
Parameter Register.
Table 19. Comparator Filter Parameter Register
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
– – – – – – MFIE CS1 CS0 IEL IEH COSR COSR COSR COSR COSR
4 3 2 1 0
'0' '0' '0' '0' '0' '0' '0' '0' '0' '0' '0' '0' '0' '0' '0' '0'
R R R R R R RW RW RW RW RW RW RW RW RW RW
BIT POSITION BIT DESCRIPTION
15 – 10 – Unused. Always read '0'.
Modulator failure interrupt enable.
9 MFIE 0: The modulator failure flag as well as the output INT is disabled for this particular flag
1: The modulator failure flag is enabled
Comparator filter structure.
00: Comparator filter runs with a sincfast structure
8 – 7 CS1 – CS0 01: Comparator filter runs with a Sinc
1
structure
10: Comparator filter runs with a Sinc
2
structure
11: Comparator filter runs with a Sinc
3
structure
Low-level interrupt enable.
6 IEL 0: The low-level interrupt flag as well as the output INT is disabled for this particular flag
1: The low-level interrupt flag is enabled
High-level interrupt enable.
5 IEH 0: The high-level interrupt flag as well as the output INT is disabled for this particular flag
1: The high-level interrupt flag is enabled
Oversampling ratio. The actual rate is COSR + 1.
4 – 0 COSR4 – COSR0 These bits set the oversampling ratio of the filter.
0xFF represents an oversampling ratio of 256.
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