EZ80190AZ050EC Zilog, EZ80190AZ050EC Datasheet - Page 161
EZ80190AZ050EC
Manufacturer Part Number
EZ80190AZ050EC
Description
IC WEBSERVER 50MHZ XTEMP 100lQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050EC
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
Other names
269-3123
Available stocks
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Part Number
Manufacturer
Quantity
Price
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ZDI Write Operations
PS006614-1208
ZCL
ZDA
ZDI Single-Byte Write
ZDI Block Write
address
lsb of
ZDI
A0
For single-byte write operations, the address and write-control bit are first written to the
ZDI block. Following the 1-bit byte separator, the data is shifted into the ZDI block on the
next 8 rising edges of ZCL. The master terminates activity after 8 clock cycles.
displays the timing for ZDI single-byte WRITE operations.
The block WRITE operation is initiated in the same manner as the single-byte write oper-
ation. After the first data byte is transferred, the ZDI master continues to transmit addi-
tional bytes of data to the ZDI slave on the eZ80190 device. After the receipt of each byte
of data the ZDI register address increments by one. If the ZDI register address reaches the
end of the Write Only ZDI register address space (
Figure 32
7
Write
8
on page 152 displays the timing for ZDI block WRITE operations.
separator
1-bit data
1
9
DATA
msb
D7
Figure 31. ZDI Single-Byte Data Write Timing
of
1
D6
2
D5
3
ZDI Data Byte
D4
4
D3
5
30h
), the address stops incrementing.
D2
6
D1
7
Product Specification
DATA
D0
lsb
of
8
Zilog Debug Interface
START signal
end of data
or new ZDI
1
9
Figure 31
eZ80190
151
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