EZ80F92AZ020SC00TR Zilog, EZ80F92AZ020SC00TR Datasheet - Page 165
EZ80F92AZ020SC00TR
Manufacturer Part Number
EZ80F92AZ020SC00TR
Description
IC ACCLAIM MCU 128KB 100LQFP
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F92AZ020SC00TR
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
24
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
EZ80F92AZ020SC00T
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PS015313-0508
I
The I2C_SR register is a Read Only register that contains a 5-bit status code in the five
msbs: the three lsbs are always 0. The Read Only I2C_SR registers share the same I/O
addresses as the Write Only I2C_CCR registers. See
Table 88. I
There are 29 possible status codes, as listed in
tains the status code
ated and the IFLG bit in the I2C_CTL register is not set. All other status codes correspond
to a defined state of the I
When each of these states is entered, the corresponding status code appears in this register
and the IFLG bit in the I2C_CTL register is set. When the IFLG bit is cleared, the status
code returns to
Table 89. I
Bit
Reset
CPU Access
Note: R = Read only.
Bit
Position
[7:3]
STAT
[2:0]
Code
00h
08h
10h
18h
20h
28h
30h
38h
2
C Status Register
2
2
Status
Bus error
START condition transmitted
Repeated START condition transmitted
Address and Write bit transmitted, ACK received
Address and Write bit transmitted, ACK not received
Data byte transmitted in MASTER mode, ACK received
Data byte transmitted in MASTER mode, ACK not received
Arbitration lost in address or data byte
C Status Registers(I2C_SR = 00CCh)
C Status Codes
F8h
Value
00000–
11111
000
.
F8h
, no relevant status information is available, no interrupt is gener-
2
C.
R
7
1
Description
5-bit I
Reserved.
R
6
1
2
C status code.
R
5
1
Table
R
4
1
89. When the I2C_SR register con-
Table
88.
R
3
1
Product Specification
R
2
0
I2C Serial I/O Interface
R
1
0
R
0
0
158
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