SAA7121H/V2,557 Trident Microsystems, Inc., SAA7121H/V2,557 Datasheet - Page 12

• Manufacturer Part Number: SAA7121H/V2,557
• Manufacturer: Trident Microsystems, Inc.

Specifications of SAA7121H/V2,557

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Philips Semiconductors
7.8
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; no subaddressing with read.
2. If more than 1 byte DATA is transmitted, then auto-increment of the subaddress is performed.
7.9
Table 6 Subaddresses 26H and 27H
Table 7 Subaddresses 28H and 29H
2002 Oct 11
S
S
SLAVE ADDRESS
ACK
SUBADDRESS; note 2
DATA
--------
P
WSS
WSSON
BS
BE
DECCOL
DECFIS
DATA BYTE
DATA BYTE
Digital video encoder
I
Slave receiver
SLAVE ADDRESS
2
C-bus format
2
C-bus address; see Table 5
PART
LEVEL
LEVEL
LOGIC
LOGIC
0
1
0
1
0
1
ACK SUBADDRESS
START condition
1000 100X or 1000 110X; 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
ending 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
3 to 0 = aspect ratio
7 to 4 = enhanced services
10 to 8 = subtitles
13 to 11 = reserved
DESCRIPTION
12
ACK DATA 0 ACK --------
DESCRIPTION
DESCRIPTION
PAL: BS = 33 (21H); default after reset
NTSC: BS = 25 (19H)
PAL: BE = 29 (1DH); default after reset
NTSC: BE = 29 (1DH)
bit RTCE must be set to logic 1 (see Fig.9)
bit RTCE must be set to logic 1 (see Fig.9)
SAA7120H; SAA7121H
REMARKS
DATA n ACK P
Product specification