CN8380EPF CONEXANT [Conexant Systems, Inc], CN8380EPF Datasheet - Page 26

• Manufacturer Part Number: CN8380EPF
• Description: integrated quad line interface unit unit for both 1.544 Mbps (T1) and 2.048 Mbps (E1) applications
• Manufacturer: CONEXANT [Conexant Systems, Inc]

2.0 Circuit Description
2.2 Configuration and Control
Figure 2-2. Host Serial Port Signals
2.2.4 Reset
2-4
8380_007
SCLK
SCLK
SDO
SDO
SDI
SDI
CS
CS
R/W
R/W
The CN8380 supports three reset methods: power-on reset, hard reset initiated by
the
Configuration Register [GCR; addr 01]. In Host Mode, all three reset methods
produce the same results as listed below. In Hardware Mode, power-on reset and
hard reset produce the same results as shown; and soft reset is not applicable.
After RESET is complete, the following is true:
A0
A0
RESET
Address/Control Byte
Address/Control Byte
Digital receiver outputs
(RPOSO[1:4] and RNEGO[1:4],
RCKO[1:4]) are enabled.
Transmitter line outputs (XTIP[1:4]
and XRING[1:4]) are enabled
(controlled by
A1
A1
A2
A2
pin, and soft reset initiated by the RESET bit in the Global
Hardware Mode
A3
A3
Advance Information
A4
XOE
A4
Conexant
Read Timing
Write Timing
).
A5
A5
A6
A6
D0
D0
D1
D1
D2
Register Data Byte
D2
Digital receiver outputs (RPOSO[1:4]
and RNEGO[1:4], RCKO[1:4]) are
three-stated.
Transmitter line outputs (XTIP[1:4]
and XRING[1:4]) are three-stated.
Register Data Byte
D3
D3
D4
D4
Quad T1/E1 Line Interface
Host Mode
D5
D5
D6
D6
D7
D7
N8380DSA
CN8380