Rainbow-electronics DS1338 Manual do Utilizador descarregar pdf (Página 5)

DS1338 I

2

C RTC with 56-Byte NV RAM

5 of 15

Figure 2. Timing Diagram

Figure 3. Block Diagram

RAM

(56 x 8)

SERIAL BUS

INTERFACE AND

A

DDRESS

REGISTER

OSCILLATOR AND

DIVIDER

CONTROL

LOGIC

X1

X2

SCL

SDA

1Hz

1Hz/4.096kHz/8.192kHz/32.768kHz

MUX/

BUFFER

SQW/OUT

USER BUFFER

(7 BYTES)

CLOCK,

CALENDAR,

A

ND CONTROL

REGISTERS

"C" VERSION

ONLY

POWER CONTROL

Dallas

Semiconductor

DS133

8

1 2 3 4 5 6 7 8 9 10 ... 14 15

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