EZ80F920120MOD Zilog, EZ80F920120MOD Datasheet - Page 171

• Manufacturer Part Number: EZ80F920120MOD
• Description: MODULE EZ80F92 512K 20MHZ
• Manufacturer: Zilog

Specifications of EZ80F920120MOD

• Module/board Type: Development Module
• Processor Series: EZ80F92x
• Core: eZ80
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 1 MB
• Interface Type: Cable
• Maximum Clock Frequency: 20 MHz
• Operating Supply Voltage: 0 V to 3.3 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP
• Development Tools By Supplier: eZ80F920200ZCOG
• Minimum Operating Temperature: 0 C
• For Use With/related Products: eZ80F92
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3157; EZ80F920120MOD

PS015308-0404
I
The I2C_SR register is a Read Only register that contains a 5-bit status code in the five
most-significant bits: the three least-significant bits are always 0. The Read Only I2C_SR
registers share the same I/O addresses as the Write Only I2C_CCR registers. See I
tus Registers (I2C_SR = 00CCh).
Table 89. I
There are 29 possible status codes, as listed in I
ter contains the status code
generated and the IFLG bit in the I2C_CTL register is not set. All other status codes corre-
spond 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 90. 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
P R E L I M I N A R Y
R
7
1
Description
5-bit I
Reserved.
2
, no relevant status information is available, no interrupt is
C.
R
6
1
2
C status code.
R
5
1
2
C Status Codes. When the I2C_SR regis-
R
4
1
R
3
1
Product Specification
R
2
0
I2C Serial I/O Interface
eZ80F92/eZ80F93
R
1
0
2
C Sta-
R
0
0
159