DS1302Z+T&R Maxim Integrated Products, DS1302Z+T&R Datasheet - Page 9
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DS1302Z+T&R
Manufacturer Part Number
DS1302Z+T&R
Description
IC TIMEKEEPER W/CHARGER 8-SOIC
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/Trickle-Chargerr
Datasheet
1.DS1302ZTR.pdf
(13 pages)
Specifications of DS1302Z+T&R
Memory Size
31B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
3-Wire Serial
Voltage - Supply
2 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
DS1302Z+T&R
Table 3. Register Address/Definition
RTC
CLOCK BURST
RAM
RAM BURST
Figure 5. Programmable Trickle Charger
READ
8Dh
C1h
C3h
C5h
FDh
8Bh
8Fh
FFh
81h
83h
85h
87h
89h
91h
BFh
V
.
.
.
TRICKLE CHARGE REGISTER (90h write, 91h read)
CC2
TCS3
Bit 7
NOTE: ONLY 1010b ENABLES CHARGER
WRITE
8Ch
C0h
C2h
C4h
FCh
8Ah
8Eh
FEh
80h
82h
84h
86h
88h
90h
BEh
.
.
.
TCS2
Bit 6
1 0F 16 SELECT
12/ 24
BIT 7
TCS
WP
CH
TCS1
0
0
0
Bit 5
BIT 6
TCS
TCS0
0
0
0
0
0
Bit 4
10 Year
10 Seconds
10 Minutes
AM /PM
BIT 5
TCS
Bit 3
DS1
10
0
0
0
10 Date
SELECT
1 OF 2
Month
Bit 2
DS0
BIT 4
Hour
TCS
10
0
0
ROUT1
9 of 13
Bit 1
BIT 3
DS
0
0
SELECT
1 OF 3
ROUT0
Bit 0
BIT 2
DS
0
Seconds
Minutes
Month
Hour
Year
Date
BIT 1
Day
RS
TCS
DS
ROUT
0
0-1
0-3
= DIODE SELECT
0-1
= TRICKLE CHARGER SELECT
BIT 0
= RESISTOR SELECT
RS
0
1–12/0–23
RANGE
00–59
00–59
00–99
00-FFh
00-FFh
00-FFh
00-FFh
1–31
1–12
1–7
2K
4k
8k
R1
R2
—
—
R3
.
.
.
Ω
Ω
Ω
V
CC1