PEB 20571 F V3.1 Infineon Technologies, PEB 20571 F V3.1 Datasheet - Page 208

• Manufacturer Part Number: PEB 20571 F V3.1
• Description: IC LINE CARD CTRLR DSP TQFP-100
• Manufacturer: Infineon Technologies

Specifications of PEB 20571 F V3.1

• Function: PBX Controller with DSP
• Interface: ISDN
• Voltage - Supply: 3.13 V ~ 3.47 V
• Current - Supply: 272.6mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LFQFP
• Includes: Layer-1 Control, Signaling Control, Signal Processing, Voice Channel Handling
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Number Of Circuits: -
• Other names: PEB20571FV3.1X; PEB20571FV31XP; SP000007539

6.2.5
6.2.5.1
In order to enable DSP access all the buffers and RAMS, DSPCTRL bit must be set to ‘1’.
HCR Register
Reset value: 0001
BITOR
HPRS(5:0)
DSPCTRL
Note: Each time DSPCTRL is set, HPRS is also set.
Data Sheet
15
7
x
x
HDLCU Registers Description
HDLCU Control Register
Determines the order of bits inside one HDLC data byte
0 =
1 =
HDLCU Channel Preset
The number of HDLC channels to be processed by the HDLCU
DSP Access Control to the HDLCU
0 =
1 =
BITOR
H
14
6
HDLC data is transmitted/ received with MSB first (default)
HDLC data is transmitted/ received with LSB first
The DSP must not access the HDLCU buffers and RAMs
The DSP may access the HDLCU buffers
13
5
x
12
4
HPRS(5:0)
x
write
191
11
3
x
10
2
x
Register Description
9
x
1
Address: D180
PEB 20570
PEB 20571
DSPCTRL
2003-07-31
8
0
x
H