
DS2156
35 of 262
Table 3-B. Pin Description Sorted by Pin Number (UTOPIA Backplane
Enabled)
BOLD entries indicate pins that have an alternate function when the TDM bus interface is enabled.
PIN
LQFP
CSBGA
1
A1
UR-SOC
2
B2
3
C3
UR-ENB
4
B1
JTCLK
5
D4
JTRST
6
C2
7
C1
8
D3
UT-SOC
9
D2
UT-ENB
10
D1
11
E3
12
E2
UT-CLAV
13
E1
8XCLK
14
E4
TSTRST
15
E5
16
F1
17
F2
RRING
18
F3
RVDD
19, 20, 24
F4, G1, J1
21
G2
MCLK
22
H1
XTALD
23
G3
UT-ADDR0
25
H2
26
K1
TUSEL
27, 28
J2, H3
29
K2
30
G4
31
J3
TVDD
32
K3
TRING
33
H4
UT-ADDR1
34
J4
UT-ADDR2
35
K4
UT-ADDR3
36
H5
ESIBS0
37
J5
TSYNC
38
K5
UT-ADDR4
39
G5
UT-DATA0
40
F5
UT-DATA1
41
K6
UT-DATA2
42
J6
UT-DATA3
43
H6
UT-DATA4
K7, F8, B8,
C7
G6, G10, D7,
B7
46
J7
47
K8
UT-DATA5
48
H7
UT-DATA6
SYMBOL
TYPE
DESCRIPTION
O
I
I
I
I
O
I
I
I
O
I
O
O
I
I
I
—
—
I
O
I
O
I
—
O
—
—
O
I
I
I
I/O
I/O
I
I
I
I
I
I
UTOPIA Receive Start of Cell
IEEE 1149.1 Test Mode Select
UTOPIA Receive Enable
IEEE 1149.1 Test Clock Signal
IEEE 1149.1 Test Reset
Receive Carrier Loss
IEEE 1149.1 Test Data Input
UTOPIA Transmit Start of Cell
UTOPIA Transmit Enable
IEEE 1149.1 Test Data Output
Bus Type Select
UTOPIA Transmit Cell Available
Eight Times Clock
Test/Reset
User Output Pin 2
Receive Analog Tip Input
Receive Analog Ring Input
Receive Analog Positive Supply
Receive Analog Signal Ground
Master Clock Input
Quartz Crystal Driver
UTOPIA Transmit Address Bus Bit 0
Interrupt
Backplane Interface Select
No Connection. Reserved for Factory Test
Transmit Analog Tip Output
Transmit Analog Signal Ground
Transmit Analog Positive Supply
Transmit Analog Ring Output
UTOPIA Transmit Address Bus Bit 1
UTOPIA Transmit Address Bus Bit 2
UTOPIA Transmit Address Bus Bit 3
Extended System Information Bus 0
Transmit Sync
UTOPIA Transmit Address Bus Bit 4
UTOPIA Transmit Data Bus Bit 0
UTOPIA Transmit Data Bus Bit 1
UTOPIA Transmit Data Bus Bit 2
UTOPIA Transmit Data Bus Bit 3
UTOPIA Transmit Data Bus Bit 4
JTMS
RCL
JTDI
JTDO
BTS
UOP2
RTIP
RVSS
INT
N.C.
TTIP
TVSS
44, 61, 81, 83
DVDD
—
Digital Positive Supply
45, 60, 80, 84
DVSS
—
Digital Signal Ground
TCLK
I
I
I
Transmit Clock
UTOPIA Transmit Data Bus Bit 5
UTOPIA Transmit Data Bus Bit 6