STANDARD PRODUCT
PM4351 COMET
DATA SHEET
PMC-1970624
ISSUE 10
COMBINED E1/T1 TRANSCEIVER
PROPRIETARY AND CONFIDENTIAL
334
Register 0F3H: XLPG Pulse Waveform Storage Data
Bit
Type
Function
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Unused
WDAT[6]
WDAT[5]
WDAT[4]
WDAT[3]
WDAT[2]
WDAT[1]
WDAT[0]
X
X
X
X
X
X
X
X
W
W
W
W
W
W
W
When the TUNI bit of the Transmit Line Interface Configuration register is a
logic 1, this register is held reset.
WDAT[6:0]:
This register allows software to program the contents of any one of the 120
internal waveform template registers, addressed by the UI[2:0] and
SAMPLE[4:0] bits in the Pulse Waveform Storage Write Address register.
When accessing the internal waveform storage registers, the address of the
desired register must first be written to the Indirect Address register (the
XLPG Pulse Waveform Storage Write Address register). Then, by writing the
Indirect Data register (the XLPG Pulse Waveform Storage Data register), the
microprocessor can write the data to the selected write address.
The value written to the internal pulse waveform storage registers is
contained in the signed WDAT[6:0] bits. A signed representation is used (by
opposition to a two's complement representation) to make the programming
easier. WDAT[6] is the sign bit, WDAT[5] is the most significant data bit and
WDAT[0] is the least significant data bit. The data value thus can range from
-62 to +63 (-63 is not a valid value due to subsequent conversion into a two's
complement representation).
See the Operation section for more details on setting up custom waveform
templates.