Read Sharp HT-SL70 (serv.man3) Service Manual online
HT-SL70
3 – 3
IC501 RH-IXA318AWZZ : System Microcomputer (IXA318AW) (3/3)
Figure 3-1 Block Diagram of IC
LE
V
_D
E
T
KEY
AR
EA
HDM
I_
C
E
2
LE
D B
LUE
LE
D RE
D
NO US
E
DC_
R
EL
AY
32
31
30
29
28
27
26
25
P
0_0 / A
N
7 / (T
X
D
1)
P0
_1
/ AN
6
P0
_2
/ AN
5
P0
_3
/ AN
4
P0
_4
/ AN
3 /
T
R
EO
P
0_5 / A
N
2 / CLK
1
P0
_6
/ AN
1
P0
_7
/ AN
0
SCL
1
)
C
O
I
C
R
T
(
/
S
C
S
/
A
D
S
/
4
_
3
P
)
D
O
I
C
R
T
(
/
K
C
S
S
/
L
C
S
/
5
_
3
P
24
SDA
DIR_CKSEL
2
P3_4 / TRAO / SSO / RXD1 / (TXD1)
P3_3 / INT3 / SSI / TRCCLK 23
DAP_RST
RESET
3
RESET
P1_0 / KI0 / AN8 22
DAP_PWN
NO USE
4
G
R
T
C
R
T
/
A
O
I
C
R
T
/
9
N
A
/
1
I
K
/
1
_
1
P
7
_
4
P
/
T
U
O
C
X
/
T
U
O
X
21
DAP_MUTE
GND
5
VSS / AVSS
VREF / P4_2 20
VREF
NO USE
6
XIN / XCIN / P4_6
P1_2 / KI2 / AN10 / TRCIOB 19
DIR_FSOUT1
VCC
7
VCC / AVCC
P1_3 / KI3 / AN11 / (TRBO) 18
DIR_FSOUT0
MODE
8
MODE
P1_4 / TXD0 17
DIR_AUDIO
P
3_4 / INT
0 / (
R
X
D
1)
P
1_7 / T
R
A
IO / IN
T1
P3
_6
/ (
TR
D
1)
/
(R
X
D
1) / (IN
T1)
P
3_1 / TR
B
O
P5
_4
/ T
R
C
IO
D
P5
_3
/ T
R
C
IO
C
P
1_6 / CLK
0 / (
S
S
I)
P
1_
5 /
RX
D0
/
(TR
A
IO) / (IN
T1)
9
10
11
12
13
14
15
16
SYS_
PR
O
TEC
T
NO US
E
HDM
I_I
NT
HDM
I_
R
S
T
AM
P_
O
TW
AM
P_
SD
DIR_
RS
T
DIR_
E
R
ROR
SHARP
IXA318A
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