ISL12027_10 Datasheet, PDF (18/28 Pages) Intersil Corporation – Real Time Clock/Calendar with EEPROM

ISL12027, ISL12027A
SCL
SDA
DATA STABLE
DATA CHANGE
DATA STABLE
FIGURE 16. VALID DATA CHANGES ON THE SDA BUS
SCL
SDA
START
STOP
FIGURE 17. VALID START AND STOP CONDITIONS
SCL FROM
MASTER
1
DATA OUTPUT
FROM TRANSMITTER
8
9
DATA OUTPUT
FROM RECEIVER
START
ACKNOWLEDGE
FIGURE 18. ACKNOWLEDGE RESPONSE FROM RECEIVER
DEVICE IDENTIFIER
ARRAY
CCR
1
0
1
0
1
1
0
1
1
1
1
R/W
0
0
0
0
0
0
0
A8
A7
A6
A5
A4
A3
A2
A1
A0
SLAVE ADDRESS BYTE
BYTE 0
WORD ADDRESS 1
BYTE 1
WORD ADDRESS 0
BYTE 2
D7
D6
D5
D4
D3
D2
D1
D0
DATA BYTE
BYTE 3
FIGURE 19. SLAVE ADDRESS, WORD ADDRESS, AND DATA BYTES (64 BYTE PAGES)
18
FN8232.8
August 12, 2010