Z0220112VEGR3470 Zilog, Z0220112VEGR3470 Datasheet - Page 62

• Manufacturer Part Number: Z0220112VEGR3470
• Description: IC MODEM 2400BPS DSP AFE 44-PLCC
• Manufacturer: Zilog

Specifications of Z0220112VEGR3470

• Data Format: V.21, V.22, V.23, Bell 103, Bell 212A
• Baud Rates: 2.4k
• Interface: Parallel
• 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

PS000904-0107
3. Set up the digit to be dialed in TONESTATUS bits
Table 25. Tone Dialing
1. For continuous operation, set Reg4, bit
2. For timed operation, set Reg4, bit
3. To dial additional digits, repeat the procedure starting at step 3.
4. When dialing is complete, set CONFIG register, bits 0–6 (MODE) to
The Z02922 data pump exhibits limited maximum output power. This feature
applies not only to data mode, but also to DTMF and other tone generation.
During DTMF or tone generation, if the sum of the transmit levels programmed
Digit
0
1
2
3
4
5
6
7
8
9
*
#
A
B
C
D
following table:
DTMF tone, and to
sets Reg5, bit
0
0 when the dial sequence is completed.
(STANDBY).
after the digit has been dialed. The data pump sets Reg5, bit
Value
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
4
(DPBUSY) to
0
to stop.
1
while it dials the digit. Set Reg4, bit
3
V.22BIS Data Pump with Integrated AFE
(RTSP) to
3
(RTSP) to
1
to dial the digit. The data pump
0
–
3
1
to start transmitting the
(DIGIT) according to the
4
(DPBUSY) to
3
0
(RTSP) to
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