ISD-ES511 Nuvoton Technology Corporation of America, ISD-ES511 Datasheet - Page 72
ISD-ES511
Manufacturer Part Number
ISD-ES511
Description
EVALUATION SYSTEM FOR ISD5100
Manufacturer
Nuvoton Technology Corporation of America
Series
ChipCorder®r
Datasheet
1.ISD5116SY.pdf
(90 pages)
Specifications of ISD-ES511
Main Purpose
Audio, Voice Record/Playback
Utilized Ic / Part
ISD5102, ISD5104, ISD5108, ISD5116
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
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Acknowledge
The number of data bytes transferred between the start and stop conditions from transmitter to
receiver is unlimited. Each byte of eight bits is followed by an acknowledge bit. The acknowledge bit is
a HIGH level signal put on the interface bus by the transmitter during which time the master generates
an extra acknowledge related clock pulse. A slave receiver which is addressed must generate an
acknowledge after the reception of each byte. In addition, a master receiver must generate an
acknowledge after the reception of each byte that has been clocked out of the slave transmitter.
The device that acknowledges must pull down the SDA line during the acknowledge clock pulse so
that the SDA line is stable LOW during the HIGH period of the acknowledge related clock pulse (set-
up and hold times must be taken into consideration). A master receiver must signal an end of data to
the transmitter by not generating an acknowledge on the last byte that has been clocked out of the
slave. In this event, the transmitter must leave the data line HIGH to enable the master to generate a
stop condition.
BY TRANSMITTER
DATA OUTPUT
DATA OUTPUT
BY RECEIVER
SCL FROM
MASTER
SDA
SCL
Example of an I
MICRO-
CONTROLLER
condition
START
S
GATE
ARRAY
2
C-bus configuration using two microcontrollers
1
Acknowledge on the I
LCD
DRIVER
- 72 -
2
ISD 5116
2
C-bus
STATIC
RAM OR
EEPROM
not acknowledge
Publication Release Date: Oct 31, 2008
acknowledge
8
ISD5100 SERIES
acknowledgement
dock pulse for
9
Revision 1.42
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