Rainbow Electronics DS26502 - Manual (Page 2)

DS26502 T1/E1/J1/64KCC BITS Element
2 of 125
TABLE OF CONTENTS
1. FEATURES .......................................................................................................................7
1.1 G ENERAL ........................................................................................................................7
1.2 L
INE
I
NTERFACE
...............................................................................................................7
1.3 J ITTER A TTENUATOR ........................................................................................................7
1.4 F
RAMER
/F
ORMATTER
.......................................................................................................8
1.5 T EST AND D IAGNOSTICS ...................................................................................................8
1.6 C
ONTROL
P
ORT
...............................................................................................................8
2. SPECIFICATIONS COMPLIANCE ...................................................................................9
3. BLOCK DIAGRAMS .......................................................................................................12
4. PIN FUNCTION DESCRIPTION .....................................................................................15
4.1 T RANSMIT PLL...............................................................................................................15
4.2 T
RANSMIT
S
IDE
..............................................................................................................15
4.3 R ECEIVE S IDE ................................................................................................................16
4.4 C
ONTROLLER
I
NTERFACE
................................................................................................17
4.5 JTAG ...........................................................................................................................21
4.6 L
INE
I
NTERFACE
.............................................................................................................21
4.7 P OWER .........................................................................................................................22
5. PINOUT...........................................................................................................................23
6. HARDWARE CONTROLLER INTERFACE....................................................................26
6.1 T RANSMIT C LOCK S OURCE .............................................................................................26
6.2 I
NTERNAL
T
ERMINATION
..................................................................................................26
6.3 L INE B UILD -O UT .............................................................................................................27
6.4 R
ECEIVER
O
PERATING
M
ODES
........................................................................................27
6.5 T RANSMITTER O PERATING M ODES ..................................................................................28
6.6 MCLK P
RE
-S
CALER
......................................................................................................28
6.7 O THER H ARDWARE C ONTROLLER M ODE F EATURES .........................................................29
7. PROCESSOR INTERFACE ............................................................................................30
7.1 P
ARALLEL
P
ORT
F
UNCTIONAL
D
ESCRIPTION
.....................................................................30
7.2 SPI S ERIAL P ORT I NTERFACE F UNCTIONAL D ESCRIPTION .................................................30
7.2.1 Clock Phase and Polarity .........................................................................................30
7.2.2 Bit Order...................................................................................................................30
7.2.3 Control Byte .............................................................................................................30
7.2.4 Burst Mode...............................................................................................................30
7.2.5 Register Writes.........................................................................................................31
7.2.6 Register Reads ........................................................................................................31
7.3 R
EGISTER
M
AP
..............................................................................................................32
7.3.1 Power-Up Sequence ................................................................................................34
7.3.2 Test Reset Register .................................................................................................34
7.3.3 Mode Configuration Register....................................................................................35
7.4 I
NTERRUPT
H
ANDLING
....................................................................................................38
7.5 S
TATUS
R
EGISTERS
.......................................................................................................38
7.6 I
NFORMATION
R
EGISTERS
...............................................................................................39