UP-5900VS
CIRCUIT DESCRIPTION
5 – 51
22-2. TOUCH PANEL CONTROL
UART5 included in PSC2 as Mega Macro Function is used. The I/O address for this interface is PSC2 + (810h-817h) = 990h-997h.
Command (CPU->Controller)
22-3. TOUCH PANEL
Command
Function
Code
Ope-code
Response
End Code
Coordinate Code
Notification Data
RESET
Controller initialization
80h
0
o
u
u
COLD-RST
Coordinate initialization
81h
0
o
u
u
STOP
Coordinate data send inhibit
82h
0
o
u
u
START
Coordinate data send resume
83h
0
o
u
u
CAL-IN
Correction start
84h
9
o
u
u
CAL-OUT
Correction complete
85h
4
o
u
u
CAL-SET
Previous data are set to Correction point.
86h
0
o
u
u
CANSEL
Correction interrupt
87h
0
o
u
u
REPORT
Controller state inquiry
88h
0
o
u
o
DIAG
Self diag execution
89h
1
o
u
u
SET-TIME
Timer setup after Pen Up
8Ah
1
o
u
u
SET-RATE
Sampling interval setup
8Bh
1
o
u
u
WRITE
Write to E2PROM
8Ch
3
o
u
u
READ
Read from E2PROM
8Dh
1
o
u
o
—
Reserve
8Eh
|
—
—
—
—
Reserve
8Fh
|
—
—
—
CALTRN
Transmits the correction coefficient to CPU.
E0h
1
o
u
u
CALRCV
Transmits the correction coefficient to this controller.
E1h
170
o
u
o
DUMY
Dummy Data for Sleep Cancel
FFh
0
—
—
—
— Pen Down —
—
—
u
o
u
Pin# Signal
Memo
1
U
A/D Converter(Y-axis start point electrode voltage monitor)
2
R
A/D Converter (X-axis start point electrode voltage monitor)
3
A
Y-axis detection power
4
L
A/D Converter (X-axis end point electrode voltage monitor)
5
B
X-axis detection power
6
D
A/D Converter (Y-axis end point electrode voltage monitor)
7
C
A/D Converter (Touch coordinate detection)
Film side
resistance
membrane
Glass side
resistance
membrane
:
Parts on the top of glass
:
Electrode
U
R
B
D
C
CN
A
L
1
2
5
6
7
3
4
