TC9496AF Datasheet, PDF (6/48 Pages) Toshiba Semiconductor – 1 Chip Audio Digital Signal Processor

TC9496AF
Operation
1. Pin Operation
Pin No. Symbol
Function
1
2
3 to 30
31
32 to 36
37
38
39
40 to 47
48
XI
Connect the crystal oscillator.
XO
Omitted
¾
NC
Non-connecting. Select the open state, V_DD connecting or GND connecting.
TP0 to TP4 Test pin. (leave open)
NC
V_DDR
GNDR
Non-connecting. Select the open state, V_DD connecting or GND connecting.
Power pin for delay RAM
Ground pin for delay RAM
TP5 to
TP12
Test pin (leave open)
FS
Clock out pin (sampling frequency)
Timing output pins. The output frequency is set from the microcontroller (command-40h)
49
CKO0
50
CKO1
Command
(set the command-40h)
CKOS02 CKOS01 CKOS00
CKO0
Output
Frequency
0
0
0
Fixed to L
0
0
1
fs ´ 2
0
1
0
fs ´ 4
0
1
1
fs ´ 8
1
0
0
fs ´ 16
1
0
1
fs ´ 32
1
1
0
fs ´ 64
1
1
1
fs ´ 128
Command
(set the command-40h)
CKOS12 CKOS11 CKOS10
CKO1
Output
Frequency
0
0
0
Fixed to L
0
0
1
fs ´ 2
0
1
0
fs ´ 4
0
1
1
fs ´ 8
1
0
0
fs ´ 16
1
0
1
fs ´ 32
1
1
0
fs ´ 64
1
1
1
XI ´ 1/2
51
GND Ground pin
52
TP13 Test pin (leave open)
Master clock output pin. Validated/Invalidated of an output, and the frequency is switched from in the of
microcontroller command (command-4Dh) and STEP1 pin (59 pin).
53
MCK
Command
Pin
(set the command-4Dh)
MCKE
MCKS
STEP1
0
(Note 1) (Note 1)
MCK Output
Fixed to L
1
0
(Note 1) fs ´ 256
1
1
0
Source
oscillation (XI)
1
1
1
Prohibited
Note 1: Don’t care
54
V_DD
Power pin
55
TP14
Test pin (leave open)
56
TP15
6
2002-01-11