DS21FT42 Maxim Integrated Products, DS21FT42 Datasheet - Page 101

• 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

DS21Q42 TRANSMIT DATA FLOW Figure 23-15
FDL HDLC & BOC Controller
DS2152 TRANSMIT DATA FLOW Figure 15.11
RSER
(note#1)
Software Signaling Enable (TCR1.4)
NOTES:
1. TCLK should be tied to RCLK and TSYNC should be tied to
Global Bit 7 Stuffing (TCR1.3)
Bit 7 Zero Suppression Enable (TCR2.0)
TCD1 4:0
RFSYNC for data to be properly sourced from RSER.
TCHBLK
TIR Function Select (CCR4.0)
D4 Yellow Alarm Select (TCR2.1)
KEY:
HDLC/BOC Enable (TBOC.6)
Frame Mode Select (CCR2.7)
TLINK
= Register
= Device Pin
= Selector
Transmit Yellow (TCR1.0)
DS0 insertion enable (TDC1.7)
TIDR
TTR1 to TTR3
F-Bit Pass Through (TCR1.6)
Frame Mode Select (CCR2.7)
Frame Mode Select (CCR2.7)
0
1
TDC1.5
D4 Yellow Alarm Select (TCR2.1)
0
1
0
1
Frame M ode Select (CCR2.7)
Frame Mode Select (CCR2.7)
Pulse Density Enforcer Enable (CCR3.3)
CCR4.1
TCBR1/2/3
TIR1 to TIR3
Transmit Yellow (TCR1.0)
Transmit Yellow (TCR1.0)
TCD2
TCC1 to TCC3
TC1 to TC24
Pulse Density Violation (RIR2.0)
CCR4.2
TFDL
IBCC
TCD
TFDL Select (TCR1.2)
CCR3.1
CRC Pass Through (TCR1.5)
Transmit Blue (TCR1.1)
B8ZS Enable (CCR2.6)
1
0
1
Idle Code / Per
Channel LB
1
FPS or Ft Bit Insertion
0
Per-Channel Code
Software Signaling
Code Generator
D4 Bit 2 Yellow
Alarm Insertion
In-Band Loop
Generation
Bit 7 Stuffing
1
ENGINE
Insertion
0
HDLC
0
Source Mux
0
FDL Mux
0
CRC Calculation
0
F-Bit M ux
AMI or B8ZS Converter /
ESF Yellow Alarm Gen.
1
0
One's Density Monitor
(00FF Hex in the FDL)
TS1 to TS12
Yellow Alarm Gen.
Blue Alarm Gen.
101 of 114
D4 12th Fs Bit
0
1
DS0 Monitor
CRC Mux
TPOS TNEG
TDATA
TSER
&
0
1
Hardware
Signaling
Insertion
1
TSIG
1