Read Sharp SD-SH111 (serv.man21) Service Manual online
SD-SH111
– 104 –
76
VDD1
Input
Digital power supply +3.3 V.
77
5VBUFO[B]
Output
5 V buffer output B.
78
5VBUFI[B]
Output
5 V buffer input B. (3.3 V input)
79
5VBUFO[A]
Output
5 V buffer output A.
80
5VBUFI[A]
Output
5 V buffer input A. (3.3 V input)
81*
GPO[3]
Output
General-purpose output terminal. (CPU control)
82*
GPO[2]
Output
General-purpose output terminal. (CPU control)
83*
GPO[1]
Output
General-purpose output terminal. (CPU control)
84*
GPO[0]
Output
General-purpose output terminal. (CPU control)
85
VSS
—
Digital GND.
86
VDD1
Input
Digital power supply +3.3 V.
87*
LI[1]
Input
Gate Input[1].
88*
LI[2]
Input
Gate Input[2].
89*
BUFO[C]
Output
Schmitt trigger buffer output C.
90*
BUFI[C]
Input
Schmitt trigger buffer input C.
91
BUFO[B]
Output
Schmitt trigger buffer output B.
92
BUFI[B]
Input
Schmitt trigger buffer input B.
93
BUFO[A]
Output
Schmitt trigger buffer output A.
94
BUFI[A]
Input
Schmitt trigger buffer input A.
95
TEST0
Input
Test terminal 0 (Normal: Low, Test: Hi) Function.
96
TEST1
Input
Test terminal 1 (Normal: Low, Test: Hi) RAM.
97
TEST2
Input
Test terminal 2 (Normal: Low, Test: Hi) Pin.
98*
N.C.
—
—
99
MRST
Input
27 MHz Input terminal.
100
VSS
—
Digital GND.
IC3508 RH-iX1761GEZZ: Track Buffer Interface (IX1761GE) (2/2)
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Figure 104 BLOCK DIAGRAM OF IC
VSS
PSYCI
PDRQI
PDCKI
DVDREQ
VDD2
VSS
PDCKO
PDRQO
PSYCO
VDD1
VSS
PDO[8]
PDO[7]
PDO[6]
PDO[5]
PDO[4]
PDO[3]
PDO[2]
PDO[1]
PDO[0]
VSS
HINT
HWAIT
VDD1
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
VDD1
HADR0
HADR1
HADR2
HADR3
HADR4
HADR5
HADR6
HADR7
VSS
VDD1
HDAT0
HDAT1
HDAT2
HDAT3
HDAT4
HDAT5
HDAT6
HDAT7
HRD
HWR
HAS
HCS1
HCS2
VSS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VDD1
5VBUFO[B]
5VBUFI[B]
5VBUFO[A]
5VBUFI[A]
GPO[3]
GPO[2]
GPO[1]
GPO[0]
VSS
VDD1
LI[1]
LI[2]
BUFO[C]
BUFI[C]
BUFO[B]
BUFI[B]
BUFO[A]
BUFI[A]
TEST0
TEST1
TEST2
NC
MRST
VSS
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
VSS
NC
NC
5VBUS[0]
5VBUS[1]
5VBUS[2]
5VBUS[3]
5VBUS[4]
5VBUS[5]
5VBUS[6]
5VBUS[7]
VDD2
VSS
VDD1
VSS
PDI[0]
PDI[1]
PDI[2]
PDI[3]
PDI[4]
PDI[5]
PDI[6]
PDI[7]
PDI[8]
VDD2
IPD
Interface
Host
Interface
RAM
(4.2 Kbyte)
Memory
CTL
Error
Detect
ID
Detect
GPO
Interface
OPD
Interface
Timing
Gen.
ZZ
ZZ
ZZ
Click on the first or last page to see other SD-SH111 (serv.man21) service manuals if exist.