EZ80190AZ050SG Zilog, EZ80190AZ050SG Datasheet - Page 109

• Manufacturer Part Number: EZ80190AZ050SG
• Description: IC WEBSERVER 8 BIT 50MHZ 100LQFP
• Manufacturer: Zilog

Specifications of EZ80190AZ050SG

• Processor Type: eZ80
• Features: High Speed, Single-Cycle Instruction-Fetch
• Speed: 50MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Processor Series: EZ80190x
• Core: eZ80
• Data Bus Width: 8 bit
• Program Memory Type: ROMLess
• Data Ram Size: 8 KB
• Interface Type: I2C, IrDA, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 6
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-3866; EZ80190AZ050SG

Table 44. I
PS006614-1208
Code
38h
68h
B0h
D0h
D8h
I
Arbitration lost
Arbitration lost, SLA+W
received, ACK
transmitted
Arbitration lost, SLA+R
received, ACK
transmitted
Second Address byte +
W transmitted, ACK
received
Second Address byte +
W transmitted, ACK not
received
2
C State
2
C 10-Bit Master Transmit Status Codes
If a repeated START condition is transmitted, the status code is
each data byte is transmitted, the IFLG is set to 1 and one of the status codes listed in
Table 45
on page 100 is contained in the I2Cx_SR register.
Microprocessor Response
Clear IFLG
Or set STA, clear IFLG
Clear IFLG, clear ACK = 0
Or clear IFLG, set ACK=1
Write byte to DATA, clear IFLG,
clear ACK = 0
Or write byte to DATA, clear
IFLG, set ACK = 1
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 D0h
Next I
Return to the IDLE state
Transmit START when
the bus is free
Receive data byte,
transmit NACK
Receive data byte,
transmit ACK
Transmit last byte, receive
ACK
Transmit data byte,
receive ACK
receive ACK
Transmit repeated
START
Transmit STOP
Transmit STOP then
START
Same as code D0h
2
C Action
10h
Product Specification
instead of
I2C Serial I/O Interface
08h
. After
99