DS1321(1999) 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1321
(Rev.:1999)

Flexible Nonvolatile Controller with Lithium Battery Monitor

Dallas Semiconductor -> Maxim Integrated 

DS1321

MEMORY CONFIGURATIONS

The DS1321 can be configured via the MODE pin for three different arrangements of the four attached

SRAMs. The state of the MODE pin is latched at VCCI = VCCTP on power up. See Figure 1 for details.

MEMORY CONFIGURATIONS Figure 1

MODE = GND (4 BANKS WITH 1 SRAM EACH):

MODE = VCCO (2 BANKS WITH 2 SRAM EACH):

MODE FLOATING (1 BANK WITH 4 SRAMs):

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