Z0221524VSGR4508 Zilog, Z0221524VSGR4508 Datasheet - Page 47
Z0221524VSGR4508
Manufacturer Part Number
Z0221524VSGR4508
Description
IC 2400BPS MODEM CTRL 44-PLCC
Manufacturer
Zilog
Datasheets
1.Z0221524VSCR4508.pdf
(74 pages)
2.Z0221524VSGR4508.pdf
(4 pages)
3.Z0221524VSGR4508.pdf
(2 pages)
Specifications of Z0221524VSGR4508
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-LCC (J-Lead)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
PS001907-0904
Register Range
S90
0–255
Table 7. Modem S-Registers (Continued)
Default
0x3F
Single Chip Modem with Integrated Controller, Data Pump, and AFE
Units
Description
PttBitmap (0)
Bit 0: PTT_ALLOW_ABCD, set to allow A, B, C, and D DTMF
tones to be issued (ADT).
Bit 1: PTT_ALLOW_PULSE, set to allow pulse dialing
(ATDP).
Bit 2: PTT_ALLOW_ATH1, set to allow the modem to go off-
hook but not handshake (ATH1).
Bit 3: ALLOW_BUSY_DISABLE, set to allow busy detection
to be disabled (ATX).
Bit 4: ALLOW_BLIND_DIAL, set to allow the dial tone
detection to be disabled, that is, to allow blind dialing (ATX).
Bit 5: USE_AP_CMD, set to allow the pulse dial make/break
ration to be set (AT&P).
Bit 6: DISABLE_P_AFTER_T, set to disable pulse dialing
after tone dialing (no ATDT12P12).
Bit 7: LINE_SENSE_ENABLE, set to enable line current
sensing before taking the modem off-hook (ATA, ATD, auto-
answer)
Modem S-Registers
Z02215
41