Epson S1C33L03 User Manual

Epson

III PERIPHERAL BLOCK: CLOCK TIMER

S1C33L03 FUNCTION PART

EPSON

B-III-7-7

A-1

B-III

CTM

I/O Memory of Clock Timer

Table 7.5 shows the control bits of the clock timer.

Table 7.5 Control Bits of Clock Timer

Name

Address

Register name

Bit

Function

Setting

Init.

R/W

Remarks

–

TCRST

TCRUN

D7–2

D1

D0

reserved

Clock timer reset

Clock timer Run/Stop control

–

X

X

–

W

R/W

0 when being read.

0 when being read.

0040151

(B)

1 Reset

0 Invalid

1 Run

0 Stop

–

Clock timer

Run/Stop

register

TCISE2

TCISE1

TCISE0

TCASE2

TCASE1

TCASE0

TCIF

TCAF

D7

D6

D5

D4

D3

D2

D1

D0

Clock timer interrupt factor

selection

Clock timer alarm factor selection

Interrupt factor generation flag

Alarm factor generation flag

X

X

X

X

X

X

X

X

R/W

R/W

R/W

R/W

Reset by writing 1.

Reset by writing 1.

0040152

(B)

1 Generated

0 Not generated

1 Generated

0 Not generated

1

1

1

1

0

0

0

0

1

1

0

0

1

1

0

0

1

0

1

0

1

0

1

0

TCISE[2:0]

Interrupt factor

None

Day

Hour

Minute

1 Hz

2 Hz

8 Hz

32 Hz

1

X

X

0

X

1

X

0

X

X

1

0

TCASE[2:0]

Alarm factor

Day

Hour

Minute

None

Clock timer

interrupt

control register

TCD7

TCD6

TCD5

TCD4

TCD3

TCD2

TCD1

TCD0

D7

D6

D5

D4

D3

D2

D1

D0

Clock timer data 1 Hz

Clock timer data 2 Hz

Clock timer data 4 Hz

Clock timer data 8 Hz

Clock timer data 16 Hz

Clock timer data 32 Hz

Clock timer data 64 Hz

Clock timer data 128 Hz

X

X

X

X

X

X

X

X

R

R

R

R

R

R

R

R

0040153

(B)

1 High

0 Low

1 High

0 Low

1 High

0 Low

1 High

0 Low

1 High

0 Low

1 High

0 Low

1 High

0 Low

1 High

0 Low

Clock timer

divider register

–

TCMD5

TCMD4

TCMD3

TCMD2

TCMD1

TCMD0

D7–6

D5

D4

D3

D2

D1

D0

reserved

Clock timer second counter data

TCMD5 = MSB

TCMD0 = LSB

–

X

X

X

X

X

X

–

R

0 when being read.

0040154

(B)

–

0 to 59 seconds

Clock timer

second

register

–

TCHD5

TCHD4

TCHD3

TCHD2

TCHD1

TCHD0

D7–6

D5

D4

D3

D2

D1

D0

reserved

Clock timer minute counter data

TCHD5 = MSB

TCHD0 = LSB

–

X

X

X

X

X

X

–

R/W

0 when being read.

0040155

(B)

–

0 to 59 minutes

Clock timer

minute register

0 to 23 hours

–

TCDD4

TCDD3

TCDD2

TCDD1

TCDD0

D7–5

D4

D3

D2

D1

D0

reserved

Clock timer hour counter data

TCDD4 = MSB

TCDD0 = LSB

–

X

X

X

X

X

–

R/W

0 when being read.

0040156

(B)

Clock timer

hour register

–

0 to 65535 days

(low-order 8 bits)

TCND7

TCND6

TCND5

TCND4

TCND3

TCND2

TCND1

TCND0

D7

D6

D5

D4

D3

D2

D1

D0

Clock timer day counter data

(low-order 8 bits)

TCND0 = LSB

X

X

X

X

X

X

X

X

R/W

0040157

(B)

Clock timer

day (low-order)

register

0 to 65535 days

(high-order 8 bits)

X

X

X

X

X

X

X

X

R/W

TCND15

TCND14

TCND13

TCND12

TCND11

TCND10

TCND9

TCND8

D7

D6

D5

D4

D3

D2

D1

D0

Clock timer day counter data

(high-order 8 bits)

TCND15 = MSB

0040158

(B)

Clock timer

day (high-

order) register