EZ80190AZ050EC00TR Zilog, EZ80190AZ050EC00TR Datasheet - Page 110
![IC EZ80 ACCLAIM 50MHZ 100LQFP](/photos/6/76/67664/269-100-lqfp_sml.jpg)
EZ80190AZ050EC00TR
Manufacturer Part Number
EZ80190AZ050EC00TR
Description
IC EZ80 ACCLAIM 50MHZ 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050EC00TR
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Table 45. I
PS006614-1208
Code
28h
30h
38h
Master Receive
Data byte transmitted, ACK
Data byte transmitted, ACK not
Arbitration lost
I
received
received
2
C State
2
C Master Transmit Status Codes For Data Bytes
When all bytes are transmitted, the microprocessor should write a 1 to the Master Mode
Stop bit (STP) bit in the I2Cx_CTL register. The I
clears the STP bit, and returns to the IDLE state.
In MASTER RECEIVE mode, the I
ter.
After the START condition is transmitted, the IFLG bit is set to 1 and the status code
is loaded in the I2Cx_SR register. The I2Cx_DR register should be loaded with the slave
address (or the first part of a 10-bit slave address), with the lsb set to 1 to signify a READ.
The IFLG bit should be cleared to 0 as a prompt for the transfer to continue.
When the 7-bit slave address (or the first part of a 10-bit address) and the read bit are
transmitted, the IFLG bit is set and one of the status codes listed in
contained in the I2Cx_SR register.
Microprocessor Response
Write byte to DATA, clear IFLG Transmit data byte,
Or set STA, clear IFLG
Or set STP, clear IFLG
Or set STA & STP, clear IFLG
Same as code 28h
Clear IFLG
Or set STA, clear IFLG
2
C receives a number of bytes from a slave transmit-
2
C then transmits a STOP condition,
Next I
receive ACK
Transmit repeated
START
Transmit STOP
Transmit START then
STOP
Same as code 28h
Return to the IDLE state
Transmit START when
bus free
Product Specification
Table 46
2
C Action
I2C Serial I/O Interface
on page 101 is
08h
100
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