Z0220112VSGR4078 Zilog, Z0220112VSGR4078 Datasheet - Page 38

• Manufacturer Part Number: Z0220112VSGR4078
• Description: IC MODEM 2400BPS DSP AFE 44-PLCC
• Manufacturer: Zilog

Specifications of Z0220112VSGR4078

• 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

Interface RAM Definitions
Table 20. Modem Data Pump Word Definitions
PS000904-0107
Register & Address
(hex)
Config
01FF 0H
Default
Value
b15
b14
b13
b12
b11
b10
b9
b8
b7
Function and Explanation
Data pump Config register
Unused. Set this bit to 0.
ORG (Set Originate Mode: all modes)
If ORG is 1, the modem is in Originate Mode. Otherwise, it is in
answer mode. Be sure to set ORG before or at the same time as
Config register, bits 0–6 (MODE
ERROR (Data Pump Error: all modes)
This bit is set to 1 when the data pump detects an internal error
condition such as an invalid Config code. The host should reset the
data pump.
RESERVED
RESERVED
MCUCTRL (Manual Handshake: V.22/V.22bis/B212A)
This bit allows the host to control the handshake process in V.22bis.
(See
information).
RESERVED
SRESET (Soft Reset: all modes)
Set this bit to soft reset the data pump. The data pump sets SRESET
to 0 when the software reset completes.
Unused. Set this bit to 0.
Manual Handshake Procedures
V.22BIS Data Pump with Integrated AFE
)
, not afterwards.
on page 59 for more
34