ks8701 Samsung Semiconductor, Inc., ks8701 Datasheet - Page 19
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ks8701
Manufacturer Part Number
ks8701
Description
Flextm Roaming Decoder Ii
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.KS8701.pdf
(73 pages)
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Host-to-Decoder Packet Descriptions
CONFIGURATION PACKET
is not guaranteed if these settings are changed when decoding is enabled (i.e. the ON bit in the Control Packet is
set). The ID of the Configuration Packet is 1.
Table 4: Configuration Packet Bit Assignments
18
The Configuration Packet defines a number of different configuration options for the KS8701. Proper operation
DFC: Disable Fractional Clock. When this bit is set and IDE is set, the CLKOUT signal will generate a 40 kHz
IDE:
Byte 3
Byte 2
Byte 1
Byte 0
Internal Demodulator Enable. When this bit is set , the internal demodulator is enabled and clock
signal (EXTAL divided by 4). When this bit is cleared and IDE is set, the CLKOUT signal will generate
38.4 kHz signal (EXTAL fractionally divided by 25/6 see diagram below). This bit has no effect when
IDE is cleared. (value after reset=0)
frequency at EXTAL is expected to be 160 kHz. When this bit is cleared, the internal demodulator is
disabled and the clock frequency at EXTAL is expected to be 76.8 kHz.(value after reset=0)
EXTAL
CLKOUT
w/DFC=1
Bit 7
SME
CLKOUT
w/DFC=0
0
0
0
MOT
Bit 6
DFC
0
0
Bit 5
COD
FLEX
0
0
0
TM
Roaming Decoder II
Bit 4
MTE
0
0
0
Bit 3
LBP
0
0
0
Bit 2
PCE
ICO
IDE
0
OFD
Bit 1
SP
0
0
1
1
OFD
Bit 0
SP
KS8701
1
0
0
0