PEB 20571 F V3.1 Infineon Technologies, PEB 20571 F V3.1 Datasheet - Page 246

• 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

6.2.10
6.2.10.1 DMA Mailbox Transmit Counter Register
DTXCNT
Reset value: 000F
Note: Writing to TXCNT initiates a DMA transfer of TXCNT+1 bytes to the DMA Tx
TXCNT(3..0)
Data Sheet
Mailbox. TXCNT is decremented with every DMA cycle. When all bytes have been
transmitted TXCNT has the value ’F’.
15
7
x
x
Register
DMA Mailbox Registers Description
Number of bytes to be transmitted minus 1
H
14
6
x
x
13
5
x
x
12
4
DSP: read/write
x
x
229
11
3
x
TXCNT(3:0)
10
2
x
Register Description
Address: D150
9
x
1
PEB 20570
PEB 20571
2003-07-31
8
0
x
H