SAA7127 PHILIPS [NXP Semiconductors], SAA7127 Datasheet - Page 12

• Manufacturer Part Number: SAA7127
• Description: Digital video encoder
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
I
Table 4 I
Table 5 Explanation of Table 4
Notes
1. X is the read/write control bit; X = logic 0 is order to write; X = logic 1 is order to read.
2. If more than 1 byte of DATA is transmitted, then auto-increment of the subaddress is performed.
Slave receiver
Table 6 Subaddresses 26H and 27H
Table 7 Subaddress 28H
1999 May 31
2
S
Slave address
ACK
Subaddress; note 2
DATA
--------
P
WSS
WSSON
BS
DECCOL
DECFIS
C-bus format
DATA BYTE
DATA BYTE
Digital video encoder
S
SLAVE ADDRESS
2
PART
C-bus address; see Table 5
LEVEL
LEVEL
LOGIC
LOGIC
0
1
0
1
0
1
START condition
1 0 0 0 1 0 0 X or 1 0 0 0 1 1 0 X; note 1
acknowledge, generated by the slave
subaddress byte
data byte
continued data bytes and ACKs
STOP condition
wide screen signalling bits
wide screen signalling output is disabled; default after reset
wide screen signalling output is enabled
starting point of burst in clock cycles
disable colour detection bit of RTCI input
enable colour detection bit of RTCI input
field sequence as FISE in subaddress 61
field sequence as FISE bit in RTCI input
ACK
3 to 0 = aspect ratio
7 to 4 = enhanced services
10 to 8 = subtitles
13 to 11 = reserved
SUBADDRESS
DESCRIPTION
ACK
12
DATA 0
DESCRIPTION
DESCRIPTION
PAL: BS = 33 (21H); default after reset
NTSC: BS = 25 (19H)
bit RTCE must be set to logic 1 (see Fig.13)
bit RTCE must be set to logic 1 (see Fig.13)
ACK
SAA7126H; SAA7127H
--------
REMARKS
DATA n
Product specification
ACK
P