Sharp JW-21MN Reading date, Setting date, 10-7, Write mode assignment 1 or Communication format

[7] Reading date

Read the year, month, date, and day of week. However, when JW-21CU or JW-31CUH/H1 is used as PC, they do not have clock function and the reading will be meaningless.

[Write mode assignment]: None

[Communication format]

Command

"+"

"C"

"L"

"A"

CMD

SUB

ATTR

Response

"+"

ACK

"C

"L"

"A"

CMD

SUB

ATTR

Y

D

DW

Symbol

Data

Details

CMD

45(H)

Function code

SUB

A2(H)

Sub code

Y

00 to 99(H)

00 to 99 year (lower two digits of western year)

M

01 to 12(H)

January to December

D

01 to 31(H)

1st to 31st day of month

Day of week (Sunday: 00(H), Monday: 01(H), Tuesday: 02(H),

DW

00 to 06(H)

Wednesday: 03(H), Thursday: 04(H), Friday: 05(H), Saturday:

06(H))

[Ex.] Reading out April 25, 1996 (Thursday). (The data in cells are in hexadecimal notation)

Command	2B	43	4C	41	45	A2	00
	"+"	"C"	"L"	"A"	CMD	SUB	ATTR
Response
	2B	00	43	4C	41	45	A2	00	96	04	25	03
		ACK				CMD	SUB		1996	April	25	Thursday

[8] Setting date

Set year, month, day, and day of week. However, when JW-21CU or JW-31CUH/H1 is used as PC, these PC do not have clock function and date cannot be set.

[Write mode assignment]: 1 or 2

[Communication format]

Command

"+"

"C"

"L"

"A"

CMD

SUB

ATTR

Y

M

D

DW

Response

"+"

ACK

"C"

"L"

"A"

CMD

SUB

ATTR

Symbol

Data

Details

CMD

45(H)

Function code

(Symbols other than the

left: See page 10-3.)

SUB

B2(H)

Sub code

Y, M, D, DW

Same as the "Reading out date" above.

[Ex.] Set May 1st (Wednesday), 1996 (Data in frame: Hexadecimal)

Command

2B

43

4C

41

45

B2

00

96

05

01

02

"+"

"C"

"L"

"A"

CMD

SUB

ATTR 1996

May

1

Wednesday

Response

2B

00

43

4C

41

45

B2

00

ACK

CMD

SUB

10

10-7