UMA1002 Datasheet, PDF (17/36 Pages) NXP Semiconductors – Data processor for cellular radio DPROC2

Philips Semiconductors
Data processor for cellular radio
(DPROC2)
Table 9 Received data word
BIT
31
30
TITLE
start
BCH error
29 to 2
1
received data
RXLINE error
0
stop
Table 10 Transmit data word
BIT
39
38 and 37
36 to 1
0
TITLE
start
DCC
transmit data
stop
SENSE
LOW
active HIGH
binary data
active HIGH
HIGH
SENSE
LOW
binary data
binary data
HIGH
Product specification
UMA1002
FUNCTION
identifies start of word
indicates that an uncorrected BCH error is associated
with the word
received data word
indicates that a transmission error has occurred on
the microprocessor to DPROC2 serial link
identifies end of the word
FUNCTION
identifies start of word
digital colour code (see Table 11)
transmit data word
identifies end of the word
handbook, full pagewidth
MSB
START
BCH ERROR
RECEIVED WORD (28 bits)
LSB
CHECK BIT (= 0) STOP
Bit 31 Bit 30
Bit 29
Bit 2 Bit 1
Bit 0
(a)
MSB
START
DCC 1
DCC 0
TRANSMIT WORD (36 bits)
LSB
STOP
Bit 39 Bit 38 Bit 37 Bit 36
(b)
Bit 1
Bit 0
MBC768
(a) Received data word.
(b) Transmit data word.
Fig.7 Data word formats.
1997 Jan 28
17