Sharp SL-5500 Service Manual page 19
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Also See for SL-5500:
- Operation manual (148 pages) ,
- Software manual (92 pages) ,
- Startup manual (84 pages)
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PC-UM10M
Function
Pin name
PCM audio
SFRM
TIAudo
LRCLK
output-SDF
conversion
SCLK
circuit
DACSCK
Subtotal
SD_CARD SPI
SPICS_B
control circuit
SPICLK
SPIDI
SPIDO
Subtotal
S D _ C A R D /
XIN18M
TC35143 AF
clock output
XOUT18M
CLK9M
Subtotal
GPIO port
GPIO[15, 12:3, 0]
GPIO[14:13, 2:1]
TEST circuit
TEST
Power supply
VDD3
(3.3 V)
GND
TOTAL_PIN
<Description buffers>
IBC
: Input buffer
IBH
: Schmidt trigger input buffer
IBO
: OR type gated input buffer
IBOP2 : OR type gated input buffer + 100 K pull-up
OB1T
: Output buffer (IOL=2mA, with test function)
OB2T
: Output buffer IOL=6mA, with test function)
TB1HT : 3-state output buffer with buss hold circuit (IOL=2mA, with test function)
OD1T
: Open drain output buffer (IOL=2mA, with test function)
TB1T
: Try state output buffer (IOL=2mA, with test function)
TB2T
: Try state output buffer (IOL=6mA, with test function)
BG1
: 5-V withstand voltage output buffer (IOL=2mA, with test function)
BH1T
: Schmidt trigger I/O buffer (IOL=2mA, with test function)
BA1T
: AND type gated I/O buffer (IOL=2mA, with test function)
BA2T
: AND type gated I/O buffer (IOL=6mA, with test function)
LIN
: TRANSPARENT input buffer (for clock oscillation)
LOT
: TRANSPARENT output buffer (for clock oscillation)
ITST1
: Test mode input buffer (with pull-down)
Pin No.
Q'ty
I/O
Buffer
1
IN
IBO
1
OUT
OB1T
1
IN
IBO
1
OUT
OB1T
4
1
OUT
TB1T
1
OUT
TB2T
1
IN
IBO
1
OUT
TB2T
4
1
IN
LIN
1
IN
LOT
1
OUT
OB2T
3
16
I/O
BA1T
4
I/O
BH1T
1
IN
ITST1
7
8
128
QFP15 (14 x 14 x 1.4mm)
SL-5500 HARDWARE DESCRIPTION
– 18 –
Description
Audio serial data start signal
Audio serial data right and left identification
signal
Audio serial data clock signal
Audio serial clock-SCLK inversion
SD_CARD CS signal
SD_CARD clock signal
SD_CARD data input signal
SD_CARD data output signal
SD_CARD/Toshiba TC35143AF base clock
signal input (18.432 MHz)
SD_CARD/Toshiba TC35143AF base clock
signal input
Clock signal output (9.216 MHz)
General-purpose I/O port (CMOS input +
Feed-through current prevention type)
General-purpose I/O port (Schmidt input)
Test mode selection signal input
Connected to
CPU (SA1110)
Audio stereo DAC
CPU (SA1110)
Audio stereo DAC
SD_CARD connector
SD_CARD connector
SD_CARD connector
SD_CARD connector
Oscillation circuit
(OSC4C)
Oscillation circuit
(OSC4C)
Toshiba TC35143AF,
CPU
–
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