CDP68HC68T1 데이터 시트보기 (PDF) - Renesas Electronics
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CDP68HC68T1 Datasheet PDF : 24 Pages
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CDP68HC68T1
0
$00
32 RAM LOCATIONS
31
$1F
32
$20
CLOCK/CALENDAR
50
$32
51
$33
13 BYTES UNUSED
63
$3F
85
TEST MODE
$55
R = READABLE
W = WRITABLE
32 SECONDS
33 MINUTES
34 HOURS
35 DAY OF WEEK
36 DATE
37 MONTH
38 YEARS
39 NOT USED
40 SEC ALARM
41 MIN ALARM
42 HRS ALARM
43 NOT USED
44 NOT USED
45 NOT USED
46 NOT USED
47 NOT USED
48 STATUS REGISTER
49 CONTROL REGISTER
50 INTERRUPT CONTROL REGISTER
R, W $20
R, W $21
R, W $22
R, W $23
R, W $24
R, W $25
R, W $26
$27
W $28
W $29
W $2A
$2B
$2C
$2D
$2E
$2F
R $30
R, W $31
R, W $32
FIGURE 2. ADDRESS MAP
TABLE 1. CLOCK/CALENDAR AND ALARM DATA MODES
ADDRESS LOCATION (H)
FUNCTION
DECIMAL RANGE
BCD DATA RANGE
BCD DATE EXAMPLE
(Note 6)
20
Seconds
0 to 59
00 to 59
18
21
Minutes
0 to 59
00 to 59
49
22
Hours
12 Hour Mode
(Note 7)
1 to 12
81 to 92 (AM)
A3
A1 to B2 (PM)
Hours
24 Hour Mode
0 to 23
00 to 23
15
23
Day of the Week
(Sunday = 1)
1 to 7
01 to 07
03
24
Day of the Month
(Date)
1 to 31
01 to 31
29
25
Month
Jan = 1, Dec = 12
1 to 12
01 to 12
10
26
Years
0 to 99
00 to 99
85
28
Alarm Seconds
0 to 59
00 to 59
18
29
Alarm Minutes
0 to 59
00 to 59
49
2A
Alarm Hours (Note 8)
1 to 12
01 to 12 (AM)
23
12 Hour Mode
21 to 32 (PM)
Alarm Hours
24 Hour Mode
0 to 23
00 to 23
15
NOTES:
6. Example: 3:49:18, Tuesday. Oct. 29,1985.
7. Most significant Bit, D7, is “0” for 24 hours, and “1” for 12 hour mode. Data Bit D5 is “1” for PM and ‘0” for AM in 12 hour mode.
8. Alarm hours. Data Bit D5 is “1” for PM and “0” for AM in 12 hour mode. Data Bits D7 and D6 are DON’T CARE.
FN1547 Rev 9.00
Decemember 8, 2015
Page 6 of 24
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