EZ80190AZ050EG Zilog, EZ80190AZ050EG Datasheet - Page 137
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EZ80190AZ050EG
Manufacturer Part Number
EZ80190AZ050EG
Description
IC WEBSERVER 50MHZ XTEMP 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050EG
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
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-3865
EZ80190AZ050EG
EZ80190AZ050EG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EZ80190AZ050EG
Manufacturer:
TYCO
Quantity:
120
Company:
Part Number:
EZ80190AZ050EG
Manufacturer:
Zilog
Quantity:
70
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Multiply-Accumulator Control And Data Registers
PS006614-1208
MACC
Table 60. MACC x DATA Starting Address Register
Bit
Note: R/W = Read/Write.
MACC
MACC_LENGTH
MACC Registers
MACC
The MACC is divided into two separate operating banks. The CPU can only access the
current DATA bank via the control and data registers (described in this section). To access
the registers associated with the current CALC bank, the two banks must be swapped.
The MACC_xSTART register, listed in
MACC to read 16-bit values from the x DATA for performing its calculations.
MACC
x
_x
DATA Starting Address Register
_x
RELOAD
START
_x
END
7
Value
4Dh
4Ah
42h
06h
Figure 24. MACC RAM Address Indexing
6
5
Table
4
60, defines the starting address for the
3
(MACC_xSTART = E0h)
Final value
2nd value
3rd value
5th value
1st value
4th value
x
RAM
2
Product Specification
1
Address
42h
43h
4Ah
4Bh
4Ch
4Dh
x
Multiply-Accumulator
RAM
0
eZ80190
127
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