SAA7109 PHILIPS [NXP Semiconductors], SAA7109 Datasheet - Page 141

• Manufacturer Part Number: SAA7109
• Description: PC-CODEC
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
18.2
18.2.1
Table 146 Description of I
Notes
1. The SAA7108E; SAA7109E supports the ‘fast mode’ I
2. If pin RTCO strapped to V
2004 Mar 16
S
Sr
SLAVE ADDRESS W ‘0100 0010’ (42H, default) or ‘0100 0000’ (40H; note 2)
SLAVE ADDRESS R
ACK-s
ACK-m
SUBADDRESS
DATA
P
X
PC-CODEC
Digital video decoder part
CODE
S
I
2
C-
BUS FORMAT
SLAVE ADDRESS W
Sr
S
START condition
repeated START condition
‘0100 0011’ (43H, default) or ‘0100 0001’ (41H; note 2)
acknowledge generated by the slave
acknowledge generated by the master
subaddress byte; see Tables 147 and 148
data byte; see Table 148; if more than one byte DATA is transmitted the subaddress pointer is
automatically incremented
STOP condition
read/write control bit (LSB slave address); X = 0, order to write (the circuit is slave receiver);
X = 1, order to read (the circuit is slave transmitter)
2
C-bus format; note 1
DDD
SLAVE ADDRESS W
SLAVE ADDRESS R
via a 3.3 k resistor.
ACK-s
b. Read procedure (combined).
Fig.56 I
a. Write procedure.
SUBADDRESS
ACK-s
ACK-s
2
C-bus format.
141
2
C-bus specification extension (data rate up to 400 kbits/s).
DESCRIPTION
SUBADDRESS
(n bytes + acknowledge)
ACK-s
DATA
data transferred
SAA7108E; SAA7109E
(n bytes + acknowledge)
ACK-m
ACK-s
DATA
data transferred
MHB340
P
Product specification
ACK-s
MHB339
P