Ak4458Vn (Digital: U1051) - Denon AVR-X2400H Service Manual

Block diagram
CLK
CLOCK
BUFFER
CKE
CONTROL
CS
SIGNAL
GENER ATOR
RAS
COMMAND
CAS
DECODER
COLUMN DECODER
WE
A10
MODE
A0
REGIST ER
SENSE AMPLIFIER
ADDRESS
A9
A11 BUFFER
BS0
BS1
COLUMN
REFRESH
COUNTER
COUNTER
COLUMN DECODER
SENSE AMPLIFIER
NOTE:
T he cell array configuration is 4096 * 256 * 16
COLUMN DECODER
CELL ARRAY CELL ARRAY
BANK #0 BANK #1
SENSE AMPLIFIER
DATA CONTROL DQ
CIRCUIT BUFFER
COLUMN DECODER
CELL ARRAY CELL ARRAY
BANK #2 BANK #3
SENSE AMPLIFIER
Publication Release Date: Nov. 12, 2013
- 6 - Revision A02
AK4458VN
AKD4458
AK4458VN (DIGITAL : U1051)
Pin Configurations
Pin Function
Note 1. The exposed pad at back face of the package must be open or connected to the ground of the board.
No. Pin Name I/O Function
1 MCLK I External Master Clock Input Pin
BICK I Audio Serial Data Clock Pin in PCM mode
014011794-E-00
2
DCLK I DSD Clock Pin in DSD mode
LRCK I Input Channel Clock Pin in PCM mode
3
DSDL1 I Audio Serial Data Input in DSD mode
SDTI1 I Audio Serial Data Input in PCM mode
4
DSDR1 I Audio Serial Data Input in DSD mode
SDTI2 I Audio Serial Data Input in PCM mode
5
DSDL2 I Audio Serial Data Input in DSD mode
SDTI3 I Audio Serial Data Input in PCM mode
6 DSDR2 I Audio Serial Data Input in DSD mode
TDMO1 O Audio Serial Data Output in Daisy Chain mode
SDTI4 I Audio Serial Data Input in PCM mode
7 DSDL3 I Audio Serial Data Input in DSD mode
TDMO2 O Audio Serial Data Output in Daisy Chain mode
8 DSDR3 I Audio Serial Data Input in DSD mode
9 DSDL4 I Audio Serial Data Input in DSD mode
10 DSDR4 I Audio Serial Data Input in DSD mode
DZF O Zero Input Detect in I2C Bus or 3-wire serial control mode
Soft Mute Pin in Parallel control mode.
11
SMUTE I When this pin is changed to "H", soft mute cycle is initiated. When it is returning to "L", the
output mute is released.
CAD1 I Chip Address 0 Pin in I C Bus or 3-wire serial control mode
12
DCHAIN I Daisy Chain Mode select pin in Parallel control mode.
SDA I/O Control Data Pin in I2C Bus serial control mode
13 CDTI I Control Data Input Pin in 3-wire serial control mode
TDM0 I TDM Mode select pin in Parallel control mode.
SCL I Control Data Clock Pin in I2C Bus serial control mode
14 CCLK I Control Data Clock Pin in 3-wire serial control mode
TDM1 I TDM Mode select pin in Parallel control mode.
60
40 +105 C (Exposed pad is connected to ground)
40 +85 C (Exposed pad is open)
48-pin QFN (0.5mm pitch)
Evaluation Board for AK4458
2015/01
- 7 -
PD State
Hi-Z
Hi-z
Hi-Z
Hi-Z
Hi-Z
100k Ω
Pull down
100k Ω
Pull down
Hi-Z
Hi-Z
Hi-Z
100k Ω
Pull down
Hi-Z
Hi-Z
Hi-Z