Ambassador T8100A, T8102, and T8105
H.100/H.110 Interfaces and Time-Slot Interchangers
Advance Data Sheet
November 1999
1 Product Overview (continued)
1.3 Pin Information (continued)
Table 2. Pin Descriptions: Local Streams Pins
Symbol
Pin
Ball
Type
Name/Description
LDI[15:8]
LDI[7:0]
201—194
192—185
A3, B4, C5, D6, A4, B5, C6, A5
B6, A6, C7, D7, B7, A7, C8, B8
I
Local Data Input Streams. 50 kΩ inter-
nal pull-up.
LDO[15:12] 182—179
LDO[11:8] 177—174
C9, A9, B9, A10
B10, A11, C10, B11
D11, C11, B12, A13
B13, A14, C13, D12
O
Local Data Output Streams. 8 mA
drive, 3-state.
LDO[7:4]
LDO[3:0]
172—169
167—164
Table 3. Pin Descriptions: H-Bus Pins
Symbol
Pin
Ball
Type
Name/Description
CT_D[31:28]
CT_D[27:24]
CT_D[23:20]
CT_D[19:16]
CT_D[15:12]
CT_D[11:10]
CT_D[9:8]
162—159 A15, D13, C14, B15
157—154 A17, C16, D15, E14
152—149 C17, D16, E15, F14
147—144 D17, E16, F15, E17
142—139 F16, F17, G15, G14
I/O
H-Bus, Data Lines. Variable rate 2 Mbits/s,
4 Mbits/s, 8 Mbits/s. 5 V tolerant, PCI compliant,
50 kΩ internal pull-up.
137—136
134—133
G16, G17
H15, H16
CT_D[7:4]
131—128 H17, J15, J17, J16
CT_D[3:2]
CT_D[1:0]
126—125
123—122
K17, K16
L17, K15
/CT_FRAME_A
/CT_FRAME_B
/FR_COMP
CT_NETREF1
CT_NETREF2
CT_C8_A
120
114
115
116
113
118
112
205
L14
P17
M15
N17
N15
M16
M14
B3
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
H-Bus, 8 kHz, Frame. 5 V tolerant, PCI compliant,
24 mA drive, Schmitt in. No pull-up.
H-Bus, Alternate 8 kHz Frame. 5 V tolerant, PCI
compliant, 24 mA drive. Schmitt in. No pull-up.
H-Bus, Compatibility Frame Signal. 24 mA drive,
Schmitt in, 50 kΩ internal pull-up.
H-Bus, Network Reference 1. 8 kHz, 2.048 MHz,
or 1.544 MHz. PCI driver. Not internally pulled up.
H-Bus, Network Reference 2. 8 kHz, 2.048 MHz,
or 1.544 MHz. PCI driver. Not internally pulled up.
H-Bus, Main Clock. 5 V tolerant, PCI compliant,
24 mA drive, Schmitt in. No pull-up.
CT_C8_B
H-Bus, Alternate Main Clock. 5 V tolerant, PCI
compliant, 24 mA drive, Schmitt in. No pull-up.
LPUE
Local Pull-Up Enable. A low disables all pull-ups
other than the CT_Dxx lines and the legacy clocks
C2, /C4, /C16+, /C16–, SCLK, SCLKX2, and
/FR_COMP. 50 kΩ internal pull-up. See Section
3.3.5 Physical Connections for H.110.
DPUE
4
D3
I
Data Pull-Up Enable. High enables pull-ups on
CT_Dxx only for H.100, low disables for H.110.
50 kΩ internal pull-up.
Lucent Technologies Inc.
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