alc850 Realtek Semiconductor Corporation, alc850 Datasheet - Page 13
alc850
Manufacturer Part Number
alc850
Description
Eight Channel Ac?97 2.3 Audio Codec
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC850.pdf
(56 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ALC850
Manufacturer:
REALTEK/瑞昱
Quantity:
20 000
6.
6.1. Digital I/O Pins
Eight Channel AC’97 2.3 Audio Codec
Name
XTL-IN
XTL-OUT
SDATA-
OUT
BIT-CLK
SDATA-IN
SYNC
RESET#
XTLSEL*
SPDIFI/
EAPD
SPDIFO
*XTLSEL=floating, bypass 14.318MHz to 24.576MHz digital PLL. The clock source is 24.576MHz crystal or external
clock.
XTLSEL=pull low, select 14.318MHz to 24.576MHz digital PLL
Pin Description
Pin No
I/O
IO
O
O
O
I
I
I
I
I
Type
10
11
46
47
48
2
3
5
6
8
Description
Crystal input
Crystal output
Serial TDM AC’97 output
Bit clock output (12.288MHz)
Serial TDM AC’97 input
Sample Sync (48Khz)
AC'97 master H/W reset
Crystal selection
S/PDIF input/External Amplifier
power down control
S/PDIF output
Table 1. Digital I/O Pins
5
Characteristic Definition
Crystal input pad
Crystal output pad
Schmitt input, V
CMOS input/output, Vt=0.35Vdd. This pin will be
floating when RESET# is active
CMOS output. Internally pulled low by a 100K
resistor. This pin will be floating when RESET# is
active.
Schmitt input, V
Schmitt input, V
Internally pulled high by a 100K resistor
Digital input with 0.4V Schmitt trigger biased at
1.65V/output
Digital output
L
L
L
Track ID: JATR-1076-21 Rev. 1.4
=0.3Vdd, V
=0.3Vdd, V
=0.3Vdd, V
H
H
H
=0.4Vdd
=0.4Vdd
=0.4Vdd
TOTAL: 10 Pins
Datasheet
ALC850