Epson S1C88650 User Manual

Page 30

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22

EPSON

S1C88650 TECHNICAL MANUAL

5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)

Table 5.1.1(e) I/O Memory map (00FF23H–00FF28H)

Address Bit

Name

SR R/W

Function

Comment

1

0

D7

D6

D5

D4

D3

D2

D1

D0

00FF23

–

–

–

–

–

ESERR

ESREC

ESTRA

–

–

–

–

–

Serial I/F (error) interrupt enable register

Serial I/F (receiving) interrupt enable register

Serial I/F (transmitting) interrupt enable register

–

–

–

–

–

0

–

–

–

–

–

Interrupt

enable

–

–

–

–

–

Interrupt

disable

Constantly "0" when

being read

R/W

00FF25 D7

D6

D5

D4

D3

D2

D1

D0

ETC3

ETU3

ETC2

ETU2

ETC1

ETU1

ETC0

ETU0

PTM3 compare match interrupt enable

PTM3 underflow interrupt enable

PTM2 compare match interrupt enable

PTM2 underflow interrupt enable

PTM1 compare match interrupt enable

PTM1 underflow interrupt enable

PTM0 compare match interrupt enable

PTM0 underflow interrupt enable

0

R/W

Interrupt

enable

Interrupt

disable

00FF26 D7

D6

D5

D4

D3

D2

D1

D0

–

–

–

–

FTM32

FTM8

FTM2

FTM1

–

–

–

–

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

Constantly "0" when

being read

00FF27 D7

D6

D5

D4

D3

D2

D1

D0

–

–

–

–

–

FSERR

FSREC

FSTRA

–

–

–

–

–

Serial I/F (error) interrupt factor flag

Serial I/F (receiving) interrupt factor flag

Serial I/F (transmitting) interrupt factor flag

–

–

–

–

–

0

R/W

–

–

–

–

–

(R)

Generated

(W)

Reset

–

–

–

–

–

(R)

Not generated

(W)

No operation

Constantly "0" when

being read

D7

D6

D5

D4

D3

D2

D1

D0

00FF24

EK07

EK06

EK05

EK04

EK03

EK02

EK01

EK00

K07 interrupt enable

K06 interrupt enable

K05 interrupt enable

K04 interrupt enable

K03 interrupt enable

K02 interrupt enable

K01 interrupt enable

K00 interrupt enable

0

Interrupt

enable

Interrupt

disable

R/W

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

–

–

–

–

0

R/W

–

–

–

–

(R)

Generated

(W)

Reset

–

–

–

–

(R)

Not generated

(W)

No operation

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