AK7712A-VT Datasheet, PDF (7/87 Pages) Asahi Kasei Microsystems – Built-in 20-bit ADC/DAC Sophisticated Audio DSP

ASAHI KASEI
[AK7712A-VT]
„ Power Supply
Pin / Function
Pin No.
24, 32, 50,
70, 73
25, 31, 49,
69, 72
87, 97
86, 96
79, 99
10, 11, 74,
75
Pin name I/O
Function
DVDD
-
Digital power supply
DVSS
-
Digital ground
AVDD
AVSS
AVB
DVB
-
Analog power supply
-
Analog ground
-
Analog substrate power supply
-
Digital substrate power supply
„ External RAM Interface Signal
Pin No.
41∼48,
51∼59
40
39
38
61∼68
60
Pin name I/O
Function
A16∼A0
O Address output for external RAM
(A0:LSB justified, A16:MSB justified)
WE
O Write signal output
for external SRAM/ Pseudo-SRAM/ DRAM
RESCE
O RAS for external DRAM
/ Pseudo-SRAM-CE
CASRF
O CAS for external DRAM
/ Pseudo-SRAM refresh
IO0∼IO7
I/O Data input/output for external RAM
OE
O Output enable signal output
for external SRAM/ Pseudo-SRAM/ DRAM
0180-E-02
-7-
1997/12