Circuit Description
SF150T
5-5
5-2-11 I/O Port Table
High Bank Memory
DSP Inactive
DATA = 1
DATA = 1
Active
Active
Active
Active
-
Active
Active
DSP Reset
DSP High Byte
Normal
Normal
CIS LED On
High
OPE LED On
Normal
Normal
-
Open
No Paper
No Document
Normal
Normal
CODEC Serial Clock
CODEC Serial Data
CODEC Enable
-
Closed
Paper Exist
Document Exist
Incomming Ring
Active DSP Data Transfer
Low Bank Memory
DSP Active
DATA = 0
DATA = 0
Inactive
Inactive
Inactive
Inactive
-
Inactive
Inactive
Normal
DSP Low Byte
Low Battery
DSP Response Mode
Off
Low
OPE LED Off
No Barttery
Circuit Symbol
I/O
Pin No. Port Name
High
Low
A16
/DSP_CS
IRXD
ITXD
MOTOR A
MOTOR /A
MOTOR B
MOTOR /B
/CML2
/CML1
/24VCTL
DSPRST
DSPHL
/LOWBAT
DSPACK
/GLED
-
LEDCTL
/NOBAT
SCLK
SDATS
/SDEN
/HOOK DET2
MODE
P_EMPTY
D_DET
RING_DET
/DSPFLAG
P0.0
P0.1
P2.4
P2.5
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P4.1
P4.2
P4.4
P4.5
P4.6
P4.7
P5.0
P5.3
P5.5
P5.6
P5.7
P6.1
P6.2
P6.3
P6.4
P6.5
P6.6
O
PCS
I
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
I
O
O
I
I
I
I
I
I
I
34
35
45
46
49
50
51
52
53
54
55
93
92
90
89
87
88
126
96
137
138
139
59
60
61
62
63
116