EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 228
EZ80F91AZA50EG
Manufacturer Part Number
EZ80F91AZA50EG
Description
IC ACCLAIM MCU 256KB 144LQFP
Manufacturer
Zilog
Series
eZ80® AcclaimPlus!™r
Datasheet
1.EZ80F91AZA50SG.pdf
(387 pages)
Specifications of EZ80F91AZA50EG
Core Processor
Z8
Core Size
8-Bit
Speed
50MHz
Connectivity
Ethernet, I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
144-LQFP
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 KB
Interface Type
I2C, IrDA, SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG
Minimum Operating Temperature
- 40 C
For Use With
269-4712 - KIT DEV ENCORE 32 SERIES269-4671 - BOARD ZDOTS SBC Z80ACCLAIM PLUS269-4561 - KIT DEV FOR EZ80F91 W/C-COMPILER269-4560 - KIT DEV FOR EZ80F91 W/C-COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
269-4563
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 119. I
PS027001-0707
Code
38h
68h
B0h
D0h
D8h
Notes
1. W is defined as the Write bit; that is, the lsb is cleared to 0.
2. AAK is an I 2 C control bit that identifies which ACK signal to transmit.
3. R is defined as the Read bit; that is, the lsb is set to 1.
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 10-bit addressing is used, the status code is
address, plus the Write bit, are successfully transmitted.
After this interrupt is serviced and the second part of the 10-bit address is transmitted, the
I2C_SR register contains one of the codes listed in
1
3
ASSP Response
Clear IFLG
Or set STA, clear IFLG
Clear IFLG, clear AAK = 0
Or clear IFLG, set AAK = 1
Write byte to DATA,
clear IFLG, clear AAK = 0
Or write byte to DATA,
clear IFLG, set AAK = 1
Write byte to data,
clear IFLG
Or set STA, clear IFLG
Or set STP, clear IFLG
Or set STA & STP,
clear IFLG
Same as code D0h
18h
2
or
Table
Next I
Return to idle
Transmit START when bus free
Receive data byte, transmit NACK
Receive data byte, transmit ACK
Transmit last byte,
receive ACK
Transmit data byte,
receive ACK
Transmit data byte,
receive ACK
Transmit repeated START
Transmit STOP
Transmit STOP then
START
Same as code D0h
20h
119.
2
after the first part of a 10-bit
C Action
Product Specification
I
2
C Serial I/O Interface
eZ80F91 ASSP
220
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