Rainbow Electronics DS26504 User Manual
Page 23
DS26504 T1/E1/J1/64KCC BITS Element
23 of 128
MODE
PIN TYPE PARALLEL
PORT
SERIAL
PORT
HARDWARE
FUNCTION
18
O TCLKO TCLKO TCLKO
Transmit
Clock
Output
19
O TNEGO TNEGO TNEGO
Transmit
Negative-Data
Output
20
O TPOSO TPOSO TPOSO
Transmit
Positive-Data
Output
21
I TSER TSER TSER
Transmit
Serial
Data
23
I/O TS_8K_4 TS_8K_4 TS_8K_4
T1/E1 Mode: Transmit Frame/Multiframe Sync
64KCC Mode: Transmit 8kHz or 400Hz Sync
25
O
RCLK RCLK RCLK
Receive
Clock
26
O RS_8K RS_8K RS_8K
T1/E1 Mode: Receive Frame/Multiframe Boundary
64KCC Mode: Receive 8kHz Output
27
O
400HZ
400HZ
400HZ
400Hz Output in Composite Clock Mode
28
O
RSER RSER RSER
Receive
Serial
Data
29
O
RAIS RAIS RAIS
Receive Alarm Indication Signal
30 O RLOF_CCE RLOF_CCE RLOF_CCE
Receive Loss of Frame_Composite Clock Error
31 I
—
—
TCSS1
Parallel Port Mode: Unused, should be connected to
V
SS
.
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Transmit Clock Source Select 1
32
O
RLOS RLOS RLOS
Receive
Loss
of
Signal
33
I
JTMS
JTMS
JTMS
IEEE 1149.1 Test Mode Select
34
I
JTCLK
JTCLK
JTCLK
IEEE 1149.1 Test Clock Signal
35 I
JTRST JTRST JTRST
IEEE 1149.1 Test Reset
36
I
JTDI
JTDI
JTDI
IEEE 1149.1 Test Data Input
37
O
JTDO
JTDO
JTDO
IEEE 1149.1 Test Data Output
38
I RVDD RVDD RVDD
Receive
Analog Positive Supply
39 I TSTRST TSTRST TSTRST
Test/Reset
40,
43, 45
I RVSS RVSS RVSS
Receive
Analog
Signal
Ground
41
I
RTIP RTIP RTIP
Receive
Analog
Tip
Input
42
I RRING RRING RRING
Receive
Analog
Ring
Input
44
I
MCLK
MCLK
MCLK
Master Clock Input
46 I/O
INT INT
JACKS
Parallel Port Mode: Interrupt
Serial Port Mode: Interrupt
Hardware Mode: Jitter Attenuator Clock Select
47
O
PLL_OUT
PLL_OUT
PLL_OUT
Transmit PLL (TX PLL) Clock Output
48 I
—
—
TMODE2
Parallel Port Mode: Unused, should be connected to
V
SS
.
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Transmit Mode Select 2
49 I
—
—
TMODE1
Parallel Port Mode: Unused, should be connected to
V
SS
.
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Transmit Mode Select 1
50
I
THZE
THZE
THZE
Transmit High-Impedance Enable
51
O
TTIP
TTIP
TTIP
Transmit Analog Tip Output
52
I TVSS TVSS TVSS
Transmit
Analog
Signal
Ground
53
I TVDD TVDD TVDD
Transmit
Analog
Positive
Supply
54
O TRING TRING TRING
Transmit
Analog
Ring
Output
55 I
BTS
—
HBE
Parallel Port Mode: Bus Type Select (Motorola/Intel)
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Receive and Transmit HDB3/B8ZS
Enable
57
I
BIS0
BIS0
BIS0
Bus Interface Select Mode 0