ks8701 Samsung Semiconductor, Inc., ks8701 Datasheet - Page 18

• Manufacturer Part Number: ks8701
• Description: Flextm Roaming Decoder Ii
• Manufacturer: Samsung Semiconductor, Inc.

KS8701
Y
Decoder enables itself
Decoder enabled?
matches checksum
Figure 9: FLEX Decoder IC Checksum Flow Chart
register data?
Packet data
Y
N
Y
FLEX
Decoder disables itself
checksum register to
SPI packet from host
TM
Checksum Packet?
Decoder initializes
Decoder waits for
Decoder initiates
Pare ID Packet
Roaming Decoder II
Part ID value
N
RESET
Decoder sets checksum
the packet data bits with
Decoder disables itself
the checksum register
register to the XOR of
N
Host-to-Decoder Packet Descriptions
bits
17