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參數(shù)資料
| 型號： | BR24C21 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | 25 AMP MINIATURE POWER RELAY |
| 中文描述： | 身份證光盤用于CRT顯示器 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大小： | 671K |
| 代理商： | BR24C21 |
BR24C21 / BR24C21F / BR24C21FJ / BR24C21FV
Memory ICs
PAGE WRITE
SDA
LINE
VCLK
S
T
A
R
T
SLAVE
ADDRESS
1 0
0
1
A
C
K
R
/
W
W
R
I
T
E
WORD
ADDRESS(n)
D7
DATA(n)
D0
A
C
K
Fig.16 PAGE WRITE CYCLE TIMING
WA
0
WA
6
DATA(n
+
7)
D0
A
C
K
S
T
O
P
A
C
K
Don't care
If the master transmits the next data instead of generating a stop condition in byte write cycle, the BR24C21,
BR24C21F, BR24C21FJ and BR24C21FV transfer from byte write cycle to page write cycle. After the receipt of each
word, the three lower order address pointer bits are internally incremented by one. The high order five bits of the word
address remains constant.
If the master transmits more than eight words, prior to generating the STOP condition, the address counter will “roll
over”, and the previous transmitted data will be overwritten.
CURRENT READ
SDA
LINE
S
T
A
R
T
SLAVE
ADDRESS
1
1
R
/
W
A
C
K
A
C
K
DATA
S
T
O
P
0
0
D7
D0
R
E
A
D
Fig.17 CURRENT READ CYCLE TIMING
The BR24C21, BR24C21F, BR24C21FJ and BR24C21FV contain an internal address counter which maintains the
address of the last word accessed, incremented by one. If the last accessed address is address n in a read operation,
the next read operation will access data from address n+1 and increment the current address counter. If the last
accessed address is address n in a write operation, the next read operation will access data from address n. If the
master does not transfer the acknowledge but does generate a stop condition, the current address read operation
only provides a single byte of data. At this point, the device discontinues transmission.
相關PDF資料 |
PDF描述 |
|---|---|
| BR24C21F | ID ROM for CRT display |
| BR24L01AFJ-W | 128】8 bit electrically erasable PROM |
| BR24L01 | 128】8 bit electrically erasable PROM |
| BR24L04F-W | 512】8 bit electrically erasable PROM |
| BR24L04FJ-W | 512】8 bit electrically erasable PROM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| BR24C21_09 | 制造商:ROHM 制造商全稱:Rohm 功能描述:EDID Memory (For display) |
| BR24C21_11 | 制造商:ROHM 制造商全稱:Rohm 功能描述:EDID Memory (For display) |
| BR24C21F | 制造商:ROHM 制造商全稱:Rohm 功能描述:EDID Memory (For display) |
| BR24C21F-E2 | 功能描述:電可擦除可編程只讀存儲器 I2C 1K BIT 128 X 8 3.3V/5V 8PIN RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| BR24C21FJ | 制造商:ROHM 制造商全稱:Rohm 功能描述:ID ROM for CRT display |
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