Sharp SL-5500 Service Manual page 29

PC-UM10M
SDA
CLK64FS
SPIDO
SPIDI
SPICLK
SPICS
SCLK
SFRM
FLPWM
MCLK
18M
22M
24M
SCOOP PA11
PA12
PA13
PA14
PA15
PA16
PA17
PA18
PA19
PA20
PA21
PA22
Direction
CHRG_ON
For booting Diag
For booting Diag
MUTE_L
MUTR_R
5V_ON
AMP_CN2
VPEN_CN2
L/B VOLTAGE CHNG
LCD TIMING ADJUST-
MENT F/F CLK
LCD TIMING ADJUST-
MENT F/F DATA
LCD TIMING ADJUST-
MENT F/F Q
SL-5500 HARDWARE DESCRIPTION
– 28 –
SL-5500
I/O
I/O
O
O No card / When the set
is OFF, con bit falls.
I No card / When the set
is OFF, con bit falls.
O No card / When the set
is OFF, con bit falls.
O No card / When the set
is OFF, con bit falls.
I
I
O
O
CLK
CLK
CLK
O "H" output when charg-
ing
I E n a b l e d o n l y w h e n
reset start
I E n a b l e d o n l y w h e n
reset start
O Earphone mute control:
Mute at "L"
O Earphone mute control:
Mute at "L"
O Diag ON at "H"/
OFF at "L"
O ON at HI
O WP cancel at HI
(Lock down bit an be
changed.)
O USB D+ signal pull-up
resistor control
(Enabled at "H")
I
I
O
Level at OFF
LOW
LOW
HI-Z
INPUT
HI-Z
HI-Z
INPUT
INPUT
LOW
LOW
DISABLE
DISABLE
DISABLE
Status hold
INPUT
INPUT
LOW
LOW
LOW
LOW
LOW
INPUT
INPUT