DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 31

• Manufacturer Part Number: DS21FF44
• Description: IC FRAMER E1 4X4 16CH 300-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21FF44

• Controller Type: E1 Framer
• Interface: Parallel/Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 300mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 300-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

NOTES:
1) Test Registers 1, 2, and 3 are used only by the factory; these registers must be cleared (set to all 0’s)
2) Register banks CxH, DxH, ExH, and FxH are not accessible.
ADDRESS
on power-up initialization to ensure proper operation.
BA
BB
BC
BD
BE
B4
B5
B6
B7
B8
B9
BF
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
—
—
Receive HDLC FIFO Register
Interleave Bus Operation Register
Transmit HDLC Information Register
Transmit HDLC FIFO Register
Receive HDLC DS0 Control Register 1
Receive HDLC DS0 Control Register 2
Transmit HDLC DS0 Control Register 1
Transmit HDLC DS0 Control Register 2
Not Used
Not Used
Not Used
Not Used
REGISTER NAME
31 of 117
(set to 00H)
(set to 00H)
(set to 00H)
(set to 00H)
SYMBOL
RHFR
THFR
RDC1
RDC2
TDC1
TDC2
THIR
DS21FT44/DS21FF44
IBO