SI2414 SILABS [Silicon Laboratories], SI2414 Datasheet - Page 78

• Manufacturer Part Number: SI2414
• Manufacturer: SILABS [Silicon Laboratories]

Si2456/Si2433/Si2414
78
Pin #
12
13
14
15
16
20
21
22
23
24
11
AOUT/INT
Pin Name
CTS/CS
ESC/D3
DCD/D4
RESET
INT/D0
RI/D1
ISOB
C1A
D2
D5
Clear-to-Send/Chip Select.
Active low clear-to-send (for flow control) in serial mode. Active low chip select in par-
allel mode.
Reset Input.
An active low input that is used to reset all control registers to a defined initialized
state.
Analog Output/Interrupt Output.
Analog output in serial mode. Active low interrupt output in parallel mode.
Interrupt Output/Data Bit.
Active low interrupt output in serial mode. Bidirectional parallel bus data bit 0 in paral-
lel mode.
Ring Indicator/Data Bit.
The RI on (active low) indicates the presence of an ON segment of a ring signal on the
telephone line. Bidirectional parallel bus data bit 1 in parallel mode.
Data Bit.
Bidirectional parallel bus data bit 2 in parallel mode.
Isolink Bias Voltage.
This pin should be connected via the C3 capacitor.
Isolation Capacitor 1A.
Connects to one side of the isolation capacitor, C1.
Escape/Data Bit.
Hardware escape in serial mode. Bidirectional parallel bus data bit 3 in parallel mode.
Carrier Detect/Data Bit.
Active low carrier detect in serial mode. Bidirectional parallel bus data bit 4 in parallel
mode.
Data Bit.
Bidirectional parallel bus data bit 5 in parallel mode.
Rev. 0.9
Description