Philips Semiconductors
Product specification
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
SYMBOL
BCLK1
PIN
STATUS
DESCRIPTION
bidirectional bit clock for audio interface A1
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
I/O
O
WS1
word select output signal for audio interface A1/A2
bidirectional serial data for audio interface A1/A2
word select output signal for audio interface A1/A2
bidirectional serial data for audio interface A1/A2
digital supply voltage 20 (3.3 V)
SD1
I/O
O
WS2
SD2
I/O
P
VDDD20
n.c.
−
reserved pin; not connected internally
digital ground 22
VSSD22
WS3
P
O
word select output signal for audio interface A1/A2
bidirectional serial data for audio interface A1/A2
bidirectional bit clock for audio interface A2
bidirectional word select signal for audio interface A2
bidirectional serial data for audio interface A2
audio reference clock input signal
SD3
I/O
I/O
I/O
I/O
I
BCLK2
WS4
SD4
ACLK
SCL
I/O
I/O
P
bidirectional I2C-bus clock line
bidirectional I2C-bus data line
SDA
VDDD21
VDDI2C
VSSD23
GPIO3
GPIO2
GPIO1
GPIO0
VDDD22
n.c.
digital supply voltage 21 (3.3 V)
I2C-bus voltage sense input; see note 3 of “Characteristics”
I
P
digital ground 23
I/O
I/O
I/O
I/O
P
general purpose I/O signal 3
general purpose I/O signal 2
general purpose I/O signal 1
general purpose I/O signal 0
digital supply voltage 22 (3.3 V)
−
reserved pin; not connected internally
digital ground 24
VSSD24
D1_B0
D1_B1
D1_B2
D1_B3
VDDD23
n.c.
P
I/O
I/O
I/O
I/O
P
bidirectional digital CCIR 656 D1 port B bit 0
bidirectional digital CCIR 656 D1 port B bit 1
bidirectional digital CCIR 656 D1 port B bit 2
bidirectional digital CCIR 656 D1 port B bit 3
digital supply voltage 23 (3.3 V)
−
reserved pin; not connected internally
digital ground 25
VSSD25
D1_B4
D1_B5
D1_B6
D1_B7
VDDD24
n.c.
P
I/O
I/O
I/O
I/O
P
bidirectional digital CCIR 656 D1 port B bit 4
bidirectional digital CCIR 656 D1 port B bit 5
bidirectional digital CCIR 656 D1 port B bit 6
bidirectional digital CCIR 656 D1 port B bit 7
digital supply voltage 24 (3.3 V)
−
reserved pin; not connected internally
digital ground 26
VSSD26
LLC_B
P
I/O
bidirectional line-locked system clock port B
1998 Apr 09
15
NXP [ NXP ]
