24AA32-P MICROCHIP [Microchip Technology], 24AA32-P Datasheet - Page 10

• Manufacturer Part Number: 24AA32-P
• Description: 32K 1.8V I 2 C O Smart Serial EEPROM
• Manufacturer: MICROCHIP [Microchip Technology]

24AA32
FIGURE 7-1:
FIGURE 7-2:
DS21124C-page 10
Last 2 bytes
loaded into
page 0 of cache.
1 Write command initiated at byte 0 of page 3 in the array;
3 Write from cache into array initiated by STOP bit.
First data byte is loaded into the cache byte 0.
Page 0 of cache written to page 3 of array.
Write cycle is executed after every page is written.
6
page 0
page 0
Last 3 pages in cache written to next row in array.
page 1 page 2
page 1 page 2
page 0
page 0 page 1 page 2
CACHE WRITE TO THE ARRAY STARTING AT A PAGE BOUNDARY
CACHE WRITE TO THE ARRAY STARTING AT A NON-PAGE BOUNDARY
3
cache
byte 0
cache
byte 0
page 1 page 2
cache
byte 1
byte 1
cache
byte 0
cache page 0
1 Write command initiated; 64 bytes of data
loaded into cache starting at byte 2 of page 0.
cache
byte 2
byte 1
4 Write from cache into array initiated by STOP bit.
• • •
byte 0
5
Page 0 of cache written to page 3 of array.
Write cycle is executed after every page is written.
• • •
Last page in cache written to page 2 in next row.
byte 2
byte 7
cache
byte 1
cache
byte 7
page 3
page 3
byte 3
cache page 1
bytes 8-15
• • •
cache page 1
bytes 8-15
byte 4
2 64 bytes of data are loaded into cache.
byte 7
4 Remaining pages in cache are written
• • •
cache page 2
bytes 16-23
to sequential pages in array.
cache page 2
bytes 16-23
page 4
page 4
byte 7
2 Last 2 bytes loaded 'roll over'
to beginning.
• • •
• • •
page 4
page 4
• • •
5
• • •
Remaining bytes in cache are
written sequentially to array.
1996 Microchip Technology Inc.
page 7
page 7
• • •
• • •
cache page 7
bytes 56-63
array row n
array row n + 1
cache page 7
page 7
page 7
bytes 56-63
array
array
row
n + 1
row n