DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 214

• Manufacturer Part Number: DS21455
• Description: Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
• Manufacturer: Maxim Integrated Products

Specifications of DS21455

• Product: Framer
• Number Of Transceivers: 4
• Data Rate: 64 Kbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 328 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: BGA

Figure 34-4. E1 Transmit Data Flow (continued)
SSIE1-4
E1TCR1.0 T16S
E1TCR1.4 TSIS
E1TCR1.0 TCRC4
E1TCR2.2 AEBE
E1TCR2.5 - E1TCR2.7
E1TCR1.0 TCRC4
CCR1.6 CRC4R
E1TCR2.1 AAIS
E1TCR1.5 TUA1
E1TCR1.2 THDB3
E1TCR2.8 ARA
Sa4S - Sa8S
TNAF
Code Mux
From Idle
TSaCR
Sa-bit Mux
Si-bit Mux
Si/CRC4 Mux
Per-Channel
Auto E-
bit Gen
Loopback
TLINK Mux
TS0 Mux
RA Gen
Auto
TSaCR Mux
To Bipolar/NRZ
coding Mux
Software Sig
Calculate
Encoding
CRC Re-
calculate
HDB3
CRC
Auto
UA1
Gen
Gen
AIS
RDATA
From E1_rcv_logic
214 of 270
PCLR1-4
TLINK
TAF/TNAF(non Sa)
TFPT E1TCR1.7
TDS0SEL.0 - TDS0SEL.4
Si = CRC4 MF Align Word
(Does not overwrite E-bits)
TCM0-TCM4
THMS1
THMS2
TSiAF
TSiNAF
TRA
TSa4
Monitor
DS0
TSA1 E1TCR1.3
H1TC.4
H2TC.4
TSa5
TSa7
TSa8
TSa6
TDSOM
TS1-16
E1 TRANSMIT
DIAGRAM
FLOW