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EPSON
S1C88409 TECHNICAL MANUAL
CHAPTER 5: PERIPHERAL CIRCUITS AND OPERATION (I/O Memory Map)
Table 5.1.1(e) I/O Memory map (00FF26H–00FF2AH)
Address
Function
R/W
Init
0
1
Comment
Name
Bit
00FF27
K13 interrupt factor flag
K12 interrupt factor flag
K11 interrupt factor flag
K10 interrupt factor flag
K00–K07 interrupt factor flag
–
R/(W)
–
0
–
(R)
Interrupt
factor has not
generated
(W)
Invalid
(R)
Interrupt
factor has
generated
(W)
Reset
"0" when being read
FK13
FK12
FK11
FK10
FK0
–
D7
D6
D5
D4
D3
D2
D1
D0
00FF28
8-bit programmable timer
underflow interrupt factor flag
16-bit programmable timer 1
compare match interrupt factor flag
16-bit programmable timer 1
underflow interrupt factor flag
16-bit programmable timer 0
compare match interrupt factor flag
16-bit programmable timer 0
underflow interrupt factor flag
Serial interface
transmit completion interrupt factor flag
Serial interface
receive completion interrupt factor flag
Serial interface
receive error interrupt factor flag
R/(W)
0
(R)
Interrupt
factor has not
generated
(W)
Invalid
(R)
Interrupt
factor has
generated
(W)
Reset
FTU2
FTC1
FTU1
FTC0
FTU0
FSTX
FSRX
FSERR
D7
D6
D5
D4
D3
D2
D1
D0
00FF29
Clock timer 60 S interrupt factor flag
Clock timer 1 Hz interrupt factor flag
Clock timer 2 Hz interrupt factor flag
Clock timer 8 Hz interrupt factor flag
Clock timer 32 Hz interrupt factor flag
LCD controller interrupt factor flag
–
R/(W)
–
0
–
(R)
Interrupt
factor has not
generated
(W)
Invalid
(R)
Interrupt
factor has
generated
(W)
Reset
"0" when being read
FT60S
FCTM1
FCTM2
FCTM8
FCTM32
FLCD
–
D7
D6
D5
D4
D3
D2
D1
D0
00FF26
A/D converter
conversion completion interrupt enable register
Touch panel controller
pen-down interrupt enable register
Touch panel controller
converted data update interrupt enable register
–
R/W
–
0
–
Interrupt is
disabled
Interrupt is
enabled
"0" when being read
EAD
ETPPD
ETPDR
–
D7
D6
D5
D4
D3
D2
D1
D0
00FF2A
A/D converter
conversion completion interrupt factor flag
Touch panel controller
pen-down interrupt factor flag
Touch panel controller
converted data update interrupt factor flag
–
R/W
–
0
–
(R)
Interrupt
factor has not
generated
(W)
Invalid
(R)
Interrupt
factor has
generated
(W)
Reset
"0" when being read
FAD
FTPPD
FTPDR
–
D7
D6
D5
D4
D3
D2
D1
D0