BT8954 CONEXANT [Conexant Systems, Inc], BT8954 Datasheet - Page 18

• Manufacturer Part Number: BT8954
• Description: VOICE PAIR GAIN FRAMER
• Manufacturer: CONEXANT [Conexant Systems, Inc]

2.0 Pin Descriptions
Figure 2-2. Bt8954 Functional Pinout
2-2
PCM Transmit Data Input
JTAG Test Mode Select
Address Latch Enable
Write*/Read/Write
Read/Data Strobe
Interrupt Request
Quaternary Clock
PLL Power Supply
JTAG Test Data In
PCM Clock Input
QCLK Repeater
BCLK Repeater
JTAG Test Clock
Motorola/Intel
Address Data
Receive Data
Address Bus
Power Supply
Power Supply
Chip Select
HCLK Input
PLL Ground
Digital Test
Bit Clock
Reset
I/O
I
I
I
I
I 16, 19-24
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
28-35
17, 53
61, 27
39
36
14
15
37
11
43
63
41
42
2
1
38
12
13
10
7
8
9
6
5
PLL_GND
BCLK_REP
QCLK_REP
PCMT
PCMCKI
HCLK
PLL_VDD
MOTEL*
WR*/R/W*
ALE
MUXED
AD[7:0]
QCLK
RDAT
BCLK
DTEST
VDD
VDD
ADDR[6:0]
RST*
TDI
TMS
TCK
CS*
RD*/DS*
I/O = Bidirectional, OD = Open Drain
I = Input, O = Output,
Test and Diagnostic
Conexant
PCM Interface
Microcomputer
Repeater Pins
DSL Interface
Interface
Power and
Interface
PLL
Ground
EPCMFn[6:1]
PCMF[18:1]
ADPCMCK
PCMCKO
GND_IC 18, 52
GND_O 26, 60
PCMR
TDO
TDAT
IRQ*
44-51
54-58
65-68,3
44-49
25
64
40
4
62
59
OD
O
O
O
O
O
O
O
I
JTAG Test Data Out
Interrupt Request
PCM Clock Output
ADPCM Clock Output
PCM Receive Data Output
PCM Frame Sync
PCM Frame Sync
Ground
Transmit Data
Ground
Voice Pair Gain Framer
N8954DSC
Bt8954