DS21FT42 Maxim Integrated Products, DS21FT42 Datasheet - Page 4

• Manufacturer Part Number: DS21FT42
• Description: IC FRAMER T1 4X3 12CH 300-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21FT42

• Controller Type: T1 Framer
• Interface: Parallel/Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 225mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 300-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

FEATURES ................................................................................................................................................1
1. MULTICHIP MODULE (MCM) DESCRIPTION .........................................................................1
2. MCM PIN DESCRIPTION................................................................................................................6
3. DS21FF42 (4 X 4) PCB LAND PATTERN.....................................................................................13
4. DS21FT42 (4 X 3) PCB LAND PATTERN.....................................................................................14
5. DS21Q42 FEATURES ......................................................................................................................15
6. DS21Q42 INTRODUCTION ...........................................................................................................15
7. DS21Q42 PIN FUNCTION DESCRIPTION..................................................................................18
8. DS21Q42 REGISTER MAP.............................................................................................................26
9. PARALLEL PORT...........................................................................................................................30
10.
11.
12.
13.
14.
15.
16.
14.1
14.2
15.1
15.2
15.1.1
15.1.2
15.2.1
15.2.2
CONTROL, ID AND TEST REGISTERS..................................................................................30
STATUS AND INFORMATION REGISTERS .........................................................................41
ERROR COUNT REGISTERS....................................................................................................48
DS0 MONITORING FUNCTION ...............................................................................................51
SIGNALING OPERATION .........................................................................................................54
PER–CHANNEL CODE (IDLE) GENERATION AND LOOPBACK....................................57
CLOCK BLOCKING REGISTERS............................................................................................61
PROCESSOR BASED SIGNALING..................................................................................................................... 54
HARDWARE BASED SIGNALING ..................................................................................................................... 56
TRANSMIT SIDE CODE GENERATION........................................................................................................... 57
RECEIVE SIDE CODE GENERATION .............................................................................................................. 59
Simple Idle Code Insertion and Per–Channel Loopback................................................................................ 57
Per–Channel Code Insertion............................................................................................................................ 58
Simple Code Insertion ...................................................................................................................................... 59
Per–Channel Code Insertion............................................................................................................................ 60
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