W83791D Datasheet, PDF (45/46 Pages) Winbond – W83791D Winbond H/W Monitoring IC

Select SPEECH / LED Function by one of
three cricuits. / 791D
1.
SPK/D2
VCC
R113
270
D6
LED
Q13
MOSFET N
2N7000
2.
SPK/D2
R115
510
C17
0.1uF
VCC
LS2
8 ohm SPEAKER
Q12
NPN
8050D
(LED FUNCTION)
(SPEECH FUNCTION)
C14
SPK/D2
R112 1uF/16V
3.
510
C15
LINE_OUT_L
1uF/16V
From AC' 97 Codec (W83971D)
LINE_OUT_R
C18
1uF/16V
(SPEECH FUNCTION)
R114
470K
C16
100pF
R116
470K
C19
100pF
J1
LINE_OUT
W83791D
Preliminary
Connect to serial FLASH EEPROM (W55FXX) /791D
R118
EOP/IOW#
0/791D
CTRL/D4 R120 0/791D
R124
ADDR/D7
0/791D
U3
1 _EOP
2 _CTRL
3
VSS
4 _ADDR
VCC
MODE ⁸
VDD ⁷
6
CLK
DATA ⁵
W55F10
R119
0/791D
MODE/D3
0/791D
R122
CKOUT/D6
R125
DATA/D5
0/791D
Connect 1 FLASH
R117
EOP/IOW#
0/791D
VCC
CTRL/D4
R123
0/791D
ADDR/D7
0/791D
R127
U4
1 _EOP
2
CTRL
3
VSS
4 _ADDR
MODE ⁸
7
VDD
6
CLK
DATA ⁵
W55F10
R121
0/791D
MODE/D3
0/791D
R126
CKOUT/D6
R128
DATA/D5
0/791D
U5
1 _EOP
2
CTRL
3
VSS
4 _ADDR
MODE ⁸
7
VDD
6
CLK
DATA ⁵
W55F10
Connect 2 or more FLASH
U6
1 _EOP
2
CTRL
3
VSS
4 _ADDR
MODE ⁸
7
VDD
6
CLK
DATA ⁵
W55F10
38
WINBOND ELECTRONICS CORP.
Title
W83782D-W83791D Application Circuit
Size
Document Number
Custom
Date:
Tuesday, May 22, 2001
Sheet
Rev
0.2
4
of
5
Publication Release Date: Aug, 2001
Revision 0.41