PEB3265 Infineon Technologies Corporation, PEB3265 Datasheet - Page 109

• Manufacturer Part Number: PEB3265
• Description: (PEB326x / PEB426x) Dual Channel Slicofi-2 / Slic Duslic
• Manufacturer: Infineon Technologies Corporation

Preliminary
• TTX metering signal generator (12/16 kHz)
• Ramp generator (used for capacitance measurements)
• Ring generator (5 Hz - 300 Hz)
Figure 45
Figure 45
Data Sheet
Please refer to the CRAM coefficient set and register BCR2 (bits TTX-DIS, TTX-12k)
on
Please refer to the CRAM coefficient set and register LMCR2 (bit RAMP-EN) on
Page
Please refer to the CRAM coefficient
ITAC
PCM IN:
Receive Data from PCM
or IOM-2 Interface
A-B
IO4 - IO3
Offset
IO3
IO4
VDD
Page
a
c
IT
IL
b
VOICE PATH
204.
LM-SEL[3:0]
PROGR GAIN STAGE
LMCR1: DC-AD16
LMCR2:
MUX
PREFI
shows the entire levelmeter block for AC and DC:
AC
192.
16 / 1
Blockdiagram Levelmeter
PREFI
DC
DC LEVELMETER
SIGMA
DELTA
4 MHz
LMCR2: LM-RECT
A / D
RECTIFIER
ON / OFF
SIGMA
DELTA
1 MHz
A / D
1 Bit
DECIMATION
FACTOR
MATION
DECI-
SHIFT
CRAM
K
INTDC
+
INTEGRATOR
(Ring Period)
REGISTER
V
DC Output Voltage
CRAM
OFFSET
DC
OFR1/2
LM-SEL[3:0]
LMCR2:
on DCN – DCP
MUX
ADAPTIVE
FILTER
TTX
Table 51 "CRAM Coefficients" on Page
+
LMCR1: LM-EN
109
BANDPASS
LM-NOTCH
NOTCH
FILTER
LMCR2:
LM-FILT
CRAM
REAL
IMG.
TTX
TTX
LM-SEL[3:0]
LMCR2:
AC LEVELMETER
RECTIFIER
LM-SEL[3:0]
LMCR2:
MUX
duslic_0010_level_meter_block.emf
FACTOR
Operational Description
CRAM
SHIFT
K
INTAC
LMCR1: LM2PCM
LMRES1/2
RESULT
MUX
REG
LM-ITIME[3:0]
INTEGRATOR
LMCR3:
16x16ms
1x16ms
VOICE PATH
...
PCM OUT:
Transmit Data to PCM
or IOM-2 Interface
A-B
Programmable
Not Programmable
a
b
c
2000-07-14
DuSLIC
226.