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