Pin Description - Dallas Semiconductor DS21354L Manual

4 PIN DESCRIPTION

PIN DESCRIPTION SORTED BY PIN NUMBER Table 4-1
PIN SYMBOL
1 RCHBLK
2 JTMS
3 8MCLK
4 JTCLK
5 JTRST*
6 RCL
7 JTDI
8 NC
9 NC
10 JTDO
11 BTS
12 LIUC
13 8XCLK
14 TEST
15 NC
16 RTIP
17 RRING
18 RVDD
19 RVSS
20 RVSS
21 MCLK
22 XTALD
23 NC
24 RVSS
25 INT*
26 NC
27 NC
28 NC
29 TTIP
30 TVSS
31 TVDD
32 TRING
33 TCHBLK
34 TLCLK
35 TLINK
36 CI
37 TSYNC
38 TPOSI
39 TNEGI
40 TCLKI
41 TCLKO
42 TNEGO
43 TPOSO
TYPE DESCRIPTION
O Receive Channel Block
I IEEE 1149.1 Test Mode Select
O 8.192 MHz Clock
I IEEE 1149.1 Test Clock Signal
I IEEE 1149.1 Test Reset
O Receive Carrier Loss
I IEEE 1149.1 Test Data Input
– No Connect (do not connect any signal to this pin)
– No Connect (do not connect any signal to this pin)
O IEEE 1149.1 Test Data Output
I Bus Type Select
I Line Interface Connect
O Eight Times Clock
I Test
– No Connect (do not connect any signal to this pin)
I Receive Analog Tip Input
I Receive Analog Ring Input
– Receive Analog Positive Supply
– Receive Analog Signal Ground
– Receive Analog Signal Ground
I Master Clock Input
O Quartz Crystal Driver
– No Connect
– Receive Analog Signal Ground
O Interrupt
– No Connect (do not connect any signal to this pin)
– No Connect (do not connect any signal to this pin)
– No Connect (do not connect any signal to this pin)
O Transmit Analog Tip Output
– Transmit Analog Signal Ground
– Transmit Analog Positive Supply
O Transmit Analog Ring Output
O Transmit Channel Block
O Transmit Link Clock
I Transmit Link Data
I Carry In
I/O Transmit Sync
I Transmit Positive Data Input
I Transmit Negative Data Input
I Transmit Clock Input
O Transmit Clock Output
O Transmit Negative Data Output
O Transmit Positive Data Output
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DS21354 & DS21554