SM5849F Datasheet, PDF (5/26 Pages) Nippon Precision Circuits Inc – Asynchronous Sample Rate Converter

SM5849AF
PIN DESCRIPTION
Number
Name
I/O¹
1
VDD
–
2
DI
Ip
3
BCKI
Ip
4
LRCI
Ip
5
VSS
–
6
ICLK
I
7
ICKSL
Ip
8
IFM1
Ip
9
IFM2
Ip
10
IWL1
Ip
11
IWL2
Ip
12
NC
–
13
NC
–
14
NC
–
15
NC
–
16
NC
–
17
NC
–
18
NC
–
19
NC
–
20
VSS
–
21
VDD
–
22
DMUTE
Ip
23
MCOM
Ip
24
MDT/FSI1
Ip
25
MCK/FSI2
Ip
26
MLEN/DEEM
Ip
27
NC
–
28
NC
–
29
NC
–
30
NC
–
31
NC
–
32
NC
–
33
NC
–
34
NC
–
35
NC
–
36
NC
–
37
NC
–
Description
Supply voltage
Digital input signal
Bit clock input
W ord clock input
Ground
System clock input
System clock select. 384fs clock when HIGH, and 256fs clock when LOW .
Input format select
IFM1
LOW
LOW
HIGH
HIGH
IFM2
LOW
HIGH
LOW
HIGH
Data position
Right justified
Right justified¹
Left justified
IIS
1. Data is in LSB first sequence
Input word length select
IWL1
LOW
LOW
HIGH
HIGH
IWL2
LOW
HIGH
LOW
HIGH
Data length
16 bits
24 bits
20 bits
24 bits
No connection (must be open)
No connection (must be open)
No connection
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
Ground
Supply voltage
Direct mute pin. Muting ON when HIGH.
Microcontroller control select. Microcontroller control when HIGH.
When MCON = HIGH: Microcontroller interface data input (MDT)
When MCON = LOW: Deemphasis filter fs select 1 (FSI1)
When MCON = HIGH: Microcontroller interface clock (MCK)
When MCON = LOW: Deemphasis filter fs select 2 (FSI2)
When MCOM is HIGH: Microcontroller interface latch enable (MLEN)
When MCOM is LOW: Deemphasis function select (DEEM)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
No connection (must be open)
NIPPON PRECISION CIRCUITS—5