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PD-F905
PD4718A
Count down (DSRT : H, DSLT : L)
Selector output.
Count up (DSRT : L, DSLT : H)
Stop (DSRT : L, DSLT : L)
Laser diode output. (L : ON, H ; OFF)
Clamp SW. (L : Clamped)
No.
25
26
°
DSRT
DSLT
wil
N co};
~
w w w w to
ae
4 B)A/E
|S |S |
n 4 =
29
30
3t
AVDD
AVREF
NC
Qa
x
N
NC (Open)
vss
Ne Se
a
Crystal connection for system clock oscillation : 4.19MHz
Vv
D
Muting output. (H : MUTE)
Not used. (OPEN) output : L
37
Disc count pulse input
39
LSI control data lutch pulse.
Reset input for each LSI
LSI operating state multi-mode input. (Including GFS input [H : OK])
42
SENS
3
| TRCH
Data sirial output for expansion.
DAC control data lutch pulse output.
Trigger input for stand-by (During normal operation : L)
p
i]
4
wa
Photo sensor input for disc position detection
Muting output. (L : Mute)
Synchronous input. (Pull-up required)
Key data input/TEST mode request input. (H : TEST, L : Normal mode)
Output for LEDS.
Output for LED4
Output for LED3.
Output for LED2.
FL driving segment output.
37
SCOR
47 | RMDT
8 | GND
49 | QSEL
50 | SYC3
FCOK
VDD
MUTB
STBL
Q
53
wa eS
55
56
| SYCI
KD3
KD2
by 4
5 S 6
KDO/TEST
LEDS
LED3
LED2
65
SEG M
67
SEG J
SEG H
SEG G
|=
|@]2/2[8]2|2/2]=[2|¢|#|
4/5]
~"
"n
| | fs
iit
| |
70
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