參數(shù)資料
型號: X24164S8-3
英文描述: Serial E2PROM
中文描述: 串行E2PROM
文件頁數(shù): 8/14頁
文件大?。?/td> 60K
代理商: X24164S8-3
X24164
8
Sequential Read
Sequential reads can be initiated as either a current
address read or random access read. The first word is
transmitted as with the other modes, however, the
master now responds with an acknowledge, indicating it
requires additional data. The X24164 continues to out-
put data for each acknowledge received. The read
operation is terminated by the master; by not responding
with an acknowledge and by issuing a stop condition.
The data output is sequential, with the data from address
n followed by the data from n + 1. The address counter
for read operations increments all address bits, allowing
the entire memory contents to be serially read during
one operation. At the end of the address space (address
2047), the counter “rolls over” to 0 and the X24164
continues to output data for each acknowledge re-
ceived. Refer to Figure 9 for the address, acknowledge
and data transfer sequence.
Figure 9. Sequential Read
BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
X24164
SLAVE
ADDRESS
A
C
K
A
C
K
DATA n+x
S
T
O
P
P
DATA n
A
C
K
DATA n+1
A
C
K
DATA n+2
3846 FHD F16
Figure 10. Typical System Configuration
MASTER
TRANSMITTER/
RECEIVER
SLAVE
RECEIVER
SLAVE
TRANSMITTER/
RECEIVER
MASTER
TRANSMITTER
MASTER
TRANSMITTER/
RECEIVER
PULL-UP
RESISTORS
SDA
SCL
VCC
3846 FHD F17
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