Z0221524AECR4508 Zilog, Z0221524AECR4508 Datasheet - Page 48
Z0221524AECR4508
Manufacturer Part Number
Z0221524AECR4508
Description
IC 2400BPS MODEM CTRL 44-VQFP
Manufacturer
Zilog
Specifications of Z0221524AECR4508
Data Format
V.21, V.22, V.23, Bell 103, Bell 212A
Baud Rates
2.4k
Interface
Serial
Voltage - Supply
4.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
44-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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PS001907-0904
Register Range
S91
0–255
Table 7. Modem S-Registers (Continued)
Default
0x88
Single Chip Modem with Integrated Controller, Data Pump, and AFE
Units
Description
PttBitmap (11)
Bit 0: FORCE_1800HZ_GT, set to force use of 1800 HZ
guard tone.
Bit 1: CALLTONE_ENABLED, set to force use of V.25 calling
tone.
Bit 2: DO_SWISS_BUSY, set to use the Swiss busy
workaround.
Bit 3: PTT_TEST_CMD, set to enable the AT&HT command
(PTT test).
Bit 4: BLIST_ENABLED, set to enable blacklisting. See
BL_MINDELAY_S and related parameters.
Bit 5: FRANCE_CALL_DELAY, set to force France call
originate delay after ring.
Bit 6: VOICE_ANSWER, set to enable detection of voice
answer.
Bit 7: DTMF_S11, set to use S11 instead of
DTMFINTERDIGITMS for the delay between dialed DTMF
digits.
Modem S-Registers
Z02215
42
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