DS1501-DS1511 DALLAS [Dallas Semiconductor], DS1501-DS1511 Datasheet - Page 10
DS1501-DS1511
Manufacturer Part Number
DS1501-DS1511
Description
Y2K-Compliant Watchdog Real-Time Clocks
Manufacturer
DALLAS [Dallas Semiconductor]
Datasheet
1.DS1501-DS1511.pdf
(20 pages)
- Current page: 10 of 20
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Figure 8. Block Diagram
Figure 9. Typical Crystal Layout
LOCAL GROUND PLANE (LAYER 2)
X1
X2
V
GND
V
V
KS
BAUX
BAT
BAT
CRYSTAL
32.768kHz CLOCK
OSCILLATOR
WRITE PROTECTION,
POWER CONTROL
AND POWER-ON
RESET
CLOCK ALARM AND WATCHDOG
GND
X1
X2
Dallas Semiconductor
COUNTDOWN
DS1501/DS1511
10 of 20
CLOCK AND CONTROL
REGISTERS
NV SRAM
256 x 8
16 X 8
IRQ
SQW
PWR
DQ0–DQ7
RST
CE
WE
OE
A0–A4
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