PEF 20550 H V2.1 Infineon Technologies, PEF 20550 H V2.1 Datasheet - Page 348

• Manufacturer Part Number: PEF 20550 H V2.1
• Description: IC INTERFACE CTRLR PCM MQFP80
• Manufacturer: Infineon Technologies
• Series: ELIC®r

Specifications of PEF 20550 H V2.1

• Function: Line Card Controller
• Interface: ISDN, PCM
• Number Of Circuits: 1
• Voltage - Supply: 5V
• Current - Supply: 15mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-SQFP
• Includes: Change Detection, Power-Up Reset Generation
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Other names: PEF20550HV2.1XT; PEF20550HV21XP; SP000007794; SP000007795

of 0C
W:MFSAR
W:CMDR_E = 01
R:STAR_E
W:MFFIFO
W:MFFIFO
W:CMDR_E = 04
R:ISTA_E
W:MFSAR
W:CMDR_E = 01
R:STAR_E
W:MFFIFO
W:MFFIFO
W:CMDR_E = 04
R:ISTA_E
W:MFSAR
W:CMDR_E = 01
R:STAR_E
W:MFFIFO
W:MFFIFO
W:CMDR_E = 04
R:ISTA_E
W:MFSAR
W:CMDR_E = 01
R:STAR_E
W:MFFIFO
W:MFFIFO
W:CMDR_E = 04
R:ISTA_E
If the D-channel access procedure is programmed, the IDEC MODE registers must
additionally be programmed accordingly i.e. for each channel MODE = 2C
Example
In a first step, the QUAT-S in IOM port 0, ch. 0 … 3 is programmed via the IOM-2 monitor
handler to the LT-T mode:
W:OMDR
Semiconductor Group
H
).
= EE
= 04
= 25
= 81
= 41
= 20
= 0C
= 25
= 81
= 01
= 20
= 14
= 25
= 81
= 01
= 20
= 1C
= 25
= 81
= 01
= 20
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
; activation ELIC with handshake protocol enabled
; monitor address of IOM port 0, channel 0
; reset MFFIFO
; MFFIFO write access enabled
; select QUAT-S Configuration Register
; set LT-T mode, output CLK1
; transmit MFFIFO content
; MFFI interrupt
; monitor address of IOM port 0, channel 1
; reset MFFIFO
; MFFIFO write access enabled
; select QUAT-S Configuration Register
; set LT-T mode
; transmit MFFIFO content
; MFFI interrupt
; monitor address of IOM port 0, channel 2
; reset MFFIFO
; MFFIFO write access enabled
; select QUAT-S Configuration Register
; set LT-T mode
; transmit MFFIFO content
; MFFI interrupt
; monitor address of IOM port 0, channel 3
; reset MFFIFO
; MFFIFO write access enabled
; select QUAT-S Configuration Register
; set LT-T mode
; transmit MFFIFO content
; MFFI interrupt
348
Application Hints
PEB 20550
PEF 20550
H
(instead
01.96