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i770
SQEX
SQCK select input.
Connected to VDD.
27
DOTX
Digital audio interface output (WF CK
is output when being off).
(Reserved)
Output of the frame sync locking state.
GFS
Goes "H" when locked.
[mot
70| tate vino te enters RAM DATAT
[pms [170] data vino te exten RAM. DATAS
Oo
[|
bs [170] ata vin of te exten RAM
DATARS
[as [bs
[170] date vino te exter RAM DATAD
[asf
e170) ata vin of te external RAM DATAD
[|__|
170] ata vin of te extemal RAM DATAL@ SB)
Te [RYO
Aare anne of te ies! RAM ADDRO ESE)
[fae
| 0 | dairensotpt of te external RAM, ADDR
Po [aa
| 0 Yates opt of te extemal RAM, ADDRES
PR
ara ost of te este RAM, ADDRES
[|
RAS [0 | reas onon of te exter RAMADDRA
[8 [RAs [0] reas onpt of te exten RAM ADDRES
[RT
[0 areas ono of te enter RAM ADDRES
[sR
|| areas ove of te enters RAM ADDRT
[sR
[0 | Arne ontoe of te esters RAM ADDRES
[RATE
[0] Aarne too of te exten RAM ADORE
PRAT [0 | Aires ott of te exter RAM. ADDR IO WISE) |
Qutputs the WRITE
ENABLE
signal
to the external
RAM
a fs
ENE
(active at "L").
Outputs the CHI
P
SELECT
signal
to the external
RAM
(active at "L").
C4M
1/2
division output of the crystal
oscillator.
f =4.2336MHz
(Reserved)
Connected to GND.
Crystal oscillator
input.
f=8.4672MH z
Crystal oscillator
output.
f£=8.4672MH z
Mode select
input
1 used at "H"
Used in the mode with
Vss
XTAI
XTAO
MD 1
on
the clock frequency
Mode select input 2 used at "L'"
8. 4672MH z,
Connected
to GND.
the digital output
OF F,
Mode select
input 3 used at "L"
the digital filter ON
Connected
to GND.
Input to switch the code of the audio data output.
"L" causes the 2 second complement output and "H" causes the offset
binary output.
Connected to GND.
SLOB
Input to switch the mode of the audio data output.
"L"
causes serial
output
and "H" causes parallel output.
Connected to GND.
PSSL
=
oO i)
on
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=
jw) wo
19
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