ZL50234
Data Sheet
Pin Description (continued)
PIN #
PIN
Description
Name
100 PIN
LQFP
208-Ball LBGA
NC
A14, C15, D1, D15, E1, 24, 25, 26, No connection. These pins must be left open for normal
F1, G1, G15, H1, H15, 44, 45, 46, operation.
J1, J15, K1,
47, 49, 51,
52, 53, 54,
55, 73, 74,
75, 76, 78,
79, 80, 82,
83, 84, 85,
89, 99, 50
K15,L1,L15,F2,L2
Interrupt Request (Open Drain Output). This output goes low
when an interrupt occurs in any channel. IRQ returns high when
all the interrupts have been read from the Interrupt FIFO
R9
9
IRQ
Register. A pull-up resistor (1 K typical) is required at this output.
R11
R13
R5
10
11
12
13
Data Strobe (Input). This active low input works in conjunction
DS
CS
with CS to enable the read and write operations.
Chip Select (Input). This active low input is used by a
microprocessor to activate the microprocessor port.
Read/Write (Input). This input controls the direction of the data
R/W
DTA
bus lines (D7-D0) during a microprocessor access.
R7
Data Transfer Acknowledgment (Open Drain Output). This
active low output indicates that a data bus transfer is completed.
A pull-up resistor (1K typical) is required at this output.
D0..D7
T2,T4,T6,T8,T9,T11, 15, 16, 17, Data Bus D0 - D7 (Bidirectional). These pins form the 8-bit
T13,T15
19, 20, 21, bidirectional data bus of the microprocessor port.
22, 23
A0..A10 P16,N16,M16,L16,K16, 28, 29, 30, Address A0 to A10 (Input). These inputs provide the A10 - A0
J16,H16,G16,F16,E16, 31, 33, 34, address lines to the internal registers.
D16
35, 36, 38,
39, 40
ODE
B13
57
Output Drive Enable (Input). This input pin is logically AND’d
with the ODE bit-6 of the Main Control Register. When both ODE
bit and ODE input pin are high, the Rout and Sout ST-BUS
outputs are enabled.
When the ODE bit is low or the ODE input pin is low, the Rout
and Sout ST-BUS outputs are high impedance.
Sout
Rout
Sin
A8
B9
58
59
60
Send PCM Signal Output (Output). Port 1 TDM data output
streams. Sout pin outputs serial TDM data streams at
2.048 Mbps with 8 channels per stream.
Receive PCM Signal Output (Output). Port 2 TDM data output
streams. Rout pin outputs serial TDM data streams at
2.048 Mbps with 8 channels per stream.
B11
Send PCM Signal Input (Input). Port 2 TDM data input streams.
Sin pin receives serial TDM data streams at 2.048 Mbps with 8
channels per stream.
8
Zarlink Semiconductor Inc.
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