Filter
Top Products
S1C63558 TECHNICAL MANUAL EPSON 21
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)
Table 4.1.1 (g) I/O memory map (FFE2H–FFF7H)
Address Comment
D3 D2
Register
D1 D0 Name Init
∗1
10
FFE6H
EIT3 EIT2 EIT1 EIT0
R/W
EIT3
EIT2
EIT1
EIT0
0
0
0
0
Enable
Enable
Enable
Enable
Mask
Mask
Mask
Mask
Interrupt mask register (Clock timer 1 Hz)
Interrupt mask register (Clock timer 2 Hz)
Interrupt mask register (Clock timer 8 Hz)
Interrupt mask register (Clock timer 32 Hz)
FFE2H
00EIPT1 EIPT0
R R/W
0
∗
3
0
∗
3
EIPT1
EIPT0
–
∗
2
–
∗
2
0
0
Enable
Enable
Mask
Mask
Unused
Unused
Interrupt mask register (Programmable timer 1)
Interrupt mask register (Programmable timer 0)
FFE7H
00EISW1 EISW10
R R/W
0
∗
3
0
∗
3
EISW1
EISW10
–
∗
2
–
∗
2
0
0
Enable
Enable
Mask
Mask
Unused
Unused
Interrupt mask register (Stopwatch timer 1 Hz)
Interrupt mask register (Stopwatch timer 10 Hz)
FFE3H
0 EISER EISTR EISRC
R R/W
0
∗
3
EISER
EISTR
EISRC
–
∗
2
0
0
0
Enable
Enable
Enable
Mask
Mask
Mask
Unused
Interrupt mask register (Serial I/F (1) error)
Interrupt mask register (Serial I/F (1) transmit completion)
Interrupt mask register (Serial I/F (1) receive completion)
FFE4H
000EIK0
R R/W
0
∗
3
0
∗
3
0
∗
3
EIK0
–
∗
2
–
∗
2
–
∗
2
0 Enable Mask
Unused
Unused
Unused
Interrupt mask register (K00–K03)
FFE5H
000EIK1
R R/W
0
∗
3
0
∗
3
0
∗
3
EIK1
–
∗
2
–
∗
2
–
∗
2
0 Enable Mask
Unused
Unused
Unused
Interrupt mask register (K10–K13)
FFE9H
000EID
R R/W
0
∗
3
0
∗
3
0
∗
3
EID
–
∗
2
–
∗
2
–
∗
2
0 Enable Mask
Unused
Unused
Unused
Interrupt mask register (Dialer)
FFEAH
00EIRDET EICDET
R R/W
0
∗
3
0
∗
3
EIRDET
EICDET
–
∗
2
–
∗
2
0
0
Enable
Enable
Mask
Mask
Unused
Unused
Interrupt mask register (FSK demodulator ring detection)
Interrupt mask register (FSK demodulator carrier detection)
FFF2H
00IPT1 IPT0
R R/W
0
∗
3
0
∗
3
IPT1
IPT0
–
∗
2
–
∗
2
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Interrupt factor flag (Programmable timer 1)
Interrupt factor flag (Programmable timer 0)
FFF3H
0 ISER ISTR ISRC
R R/W
0
∗
3
ISER
ISTR
ISRC
–
∗
2
0
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Interrupt factor flag (Serial I/F (1) error)
Interrupt factor flag (Serial I/F (1) transmit completion)
Interrupt factor flag (Serial I/F (1) receive completion)
FFE8H
0 EISERS EISTRS EISRCS
R R/W
0
∗
3
EISERS
EISTRS
EISRCS
–
∗
2
0
0
0
Enable
Enable
Enable
Mask
Mask
Mask
Unused
Interrupt mask register (Serial I/F (2) error)
Interrupt mask register (Serial I/F (2) transmit completion)
Interrupt mask register (Serial I/F (2) receive completion)
FFF6H
IT3 IT2 IT1 IT0
R/W
IT3
IT2
IT1
IT0
0
0
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
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)
FFF4H
000IK0
R R/W
0
∗
3
0
∗
3
0
∗
3
IK0
–
∗
2
–
∗
2
–
∗
2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Unused
Interrupt factor flag (K00–K03)
FFF5H
000IK1
R R/W
0
∗
3
0
∗
3
0
∗
3
IK1
–
∗
2
–
∗
2
–
∗
2
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Unused
Interrupt factor flag (K10–K13)
FFF7H
00ISW1 ISW10
R R/W
0
∗
3
0
∗
3
ISW1
ISW10
–
∗
2
–
∗
2
0
0
(R)
Yes
(W)
Reset
(R)
No
(W)
Invalid
Unused
Unused
Interrupt factor flag (Stopwatch timer 1 Hz)
Interrupt factor flag (Stopwatch timer 10 Hz)