
DS26503 T1/E1/J1 BITS Element
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5. PINOUT
Table 5-1. LQFP Pinout
MODE
PIN
TYPE
PARALLEL
PORT
SERIAL
PORT
HARDWARE
FUNCTION
1
I/O
AD2
SCLK
RSM
Parallel Port Mode: Address/Data Bus Bit 2
Serial Port Mode: Serial Clock
Hardware Mode: RS Mode Select
2
I/O
AD3
—
TSM
Parallel Port Mode: Address/Data Bus Bit 3
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: TS Mode Select
3
I/O
AD4
—
RMODE0
Parallel Port Mode: Address/Data Bus Bit 4
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: Receive Mode Select 0
4
I/O
AD5
—
RMODE1
Parallel Port Mode: Address/Data Bus Bit 5
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: Receive Mode Select 1
5
I/O
AD6
—
TITD
Parallel Port Mode: Address/Data Bus Bit 6
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: Transmit Internal Termination Disable
6
I/O
AD7
—
RITD
Parallel Port Mode: Address/Data Bus Bit 7
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: Receive Internal Termination Disable
7, 24,
58
I
DVDD
Digital Positive Supply
8, 22,
56
I
DVSS
Digital Signal Ground
9
I
A0
—
E1TS
Parallel Port Mode: Address Bus Bit 0
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: E1 Internal Termination Select
10
I
A1
—
TAIS
Parallel Port Mode: Address Bus Bit 1
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: Transmit AIS
11
I
A2
—
L0
Parallel Port Mode: Address Bus Bit 2
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: Line Build-Out Select 0
12
I
A3
—
L1
Parallel Port Mode: Address Bus Bit 3
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: Line Build-Out Select 1
13
I
A4
CPHA
L2
Parallel Port Mode: Address Bus Bit 4
Serial Port Mode: Serial Port Clock Phase Select
Hardware Mode: Line Build-Out Select 2
14
I
A5
CPOL
TMODE0
Parallel Port Mode: Address Bus Bit 5
Serial Port Mode: Serial Port Clock Polarity Select
Hardware Mode: Transmit Mode Select 0
15
I
A6
—
MPS0
Parallel Port Mode: Address Bus Bit 6
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: MCLK Pre-Scaler Select 0
16
I
ALE (AS)/A7
—
MPS1
Parallel Port Mode: Address Latch Enable/Address Bus
Bit 7
Serial Port Mode: Unused, should be connected to VSS.
Hardware Mode: MCLK Pre-Scaler Select 1
17
I
TCLK
Transmit Clock Input