
S1C8F626 TECHNICAL MANUAL
EPSON
17
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)
Table 5.1.1(e) I/O Memory map (00FF26H–00FF2CH)
Address Bit
Name
SR R/W
Function
Comment
10
00FF26 D7
D6
D5
D4
D3
D2
D1
D0
–
FSW100
FSW10
FSW1
FTM32
FTM8
FTM2
FTM1
–
Stopwatch timer 100 Hz interrupt factor flag
Stopwatch timer 10 Hz interrupt factor flag
Stopwatch timer 1 Hz interrupt factor flag
Clock timer 32 Hz interrupt factor flag
Clock timer 8 Hz interrupt factor flag
Clock timer 2 Hz interrupt factor flag
Clock timer 1 Hz interrupt factor flag
"0" when being read
–
0
R/W
–
(R)
Interrupt
factor is
generated
(W)
Reset
–
(R)
No interrupt
factor is
generated
(W)
No operation
00FF27 D7
D6
D5
D4
D3
D2
D1
D0
–
FSERR1
FSREC1
FSTRA1
FSERR0
FSREC0
FSTRA0
–
Serial I/F 1 (error) interrupt factor flag
Serial I/F 1 (receiving) interrupt factor flag
Serial I/F 1 (transmitting) interrupt factor flag
Serial I/F 0 (error) interrupt factor flag
Serial I/F 0 (receiving) interrupt factor flag
Serial I/F 0 (transmitting) interrupt factor flag
–
0
R/W
–
(R)
Interrupt
factor is
generated
(W)
Reset
–
(R)
No interrupt
factor is
generated
(W)
No operation
Constantly "0" when
being read
D7
D6
D5
D4
D3
D2
D1
D0
00FF28
FK07
FK06
FK05
FK04
FK03
FK02
FK01
FK00
K07 interrupt factor flag
K06 interrupt factor flag
K05 interrupt factor flag
K04 interrupt factor flag
K03 interrupt factor flag
K02 interrupt factor flag
K01 interrupt factor flag
K00 interrupt factor flag
0
(R)
Interrupt
factor is
generated
(W)
Reset
(R)
No interrupt
factor is
generated
(W)
No operation
R/W
00FF29 D7
D6
D5
D4
D3
D2
D1
D0
FTC3
FTU3
FTC2
FTU2
FTC1
FTU1
FTC0
FTU0
PTM3 compare match interrupt factor flag
PTM3 underflow interrupt factor flag
PTM2 compare match interrupt factor flag
PTM2 underflow interrupt factor flag
PTM1 compare match interrupt factor flag
PTM1 underflow interrupt factor flag
PTM0 compare match interrupt factor flag
PTM0 underflow interrupt factor flag
0
R/W
(R)
Interrupt
factor is
generated
(W)
Reset
(R)
No interrupt
factor is
generated
(W)
No operation
00FF2A D7
D6
D5
D4
D3
D2
D1
D0
–
PPT7
PPT6
PPT5
PPT4
Constantly "0" when
being read
–
0
R/W
–
PPT7
PPT5
1
0
PPT6
PPT4
1
0
1
0
–
Programmable timer 7–6 interrupt
priority register
Programmable timer 5–4 interrupt
priority register
Priority
level
Level 3
Level 2
Level 1
Level 0
D7
D6
D5
D4
D3
D2
D1
D0
ETC7
ETU7
ETC6
ETU6
ETC5
ETU5
ETC4
ETU4
PTM7 compare match interrupt enable
PTM7 underflow interrupt enable
PTM6 compare match interrupt enable
PTM6 underflow interrupt enable
PTM5 compare match interrupt enable
PTM5 underflow interrupt enable
PTM4 compare match interrupt enable
PTM4 underflow interrupt enable
0
R/W
Interrupt
enable
Interrupt
disable
00FF2C