Z84C9008VSG Zilog, Z84C9008VSG Datasheet - Page 277
![no-image](/images/manufacturer_photos/0/7/729/zilog_sml.jpg)
Z84C9008VSG
Manufacturer Part Number
Z84C9008VSG
Description
IC 8MHZ Z80 KIO 84-PLCC
Manufacturer
Zilog
Series
Z80r
Specifications of Z84C9008VSG
Processor Type
Z80
Features
Serial/Parallel Input/Output, Counter/Timer Circuit
Speed
8MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
84-LCC (J-Lead)
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Cpu Speed
8MHz
Digital Ic Case Style
LCC
No. Of Pins
84
Supply Voltage Range
5V
Operating Temperature Range
0°C To +70°C
Svhc
No SVHC (18-Jun-2010)
Rohs Compliant
Yes
Base Number
84
Clock Frequency
8MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z84C9008VSG
Manufacturer:
Zilog
Quantity:
13
Company:
Part Number:
Z84C9008VSG
Manufacturer:
ZILOG
Quantity:
6 221
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Operation:
Op Code:
Operands:
Description: If condition
UM008005-0205
IF cc true: (sp-1) ← PCH
(sp-2) ← PCL, pc ← nn
CALL
cc, nn
Program Counter (PC) onto the top of the external memory stack, then
loads the operands
first Op Code of a subroutine is to be fetched. At the end of the subroutine,
a RETurn instruction can be used to return to the original program flow by
popping the top of the stack back to PC. If condition
Program Counter is incremented as usual, and the program continues with
the next sequential instruction. The stack push is accomplished by first
decrementing the current contents of the Stack Pointer (SP), loading the
high-order byte of the PC contents to the memory address now pointed to
by SP; then decrementing SP again, and loading the low order byte of the
PC contents to the top of the stack.
Because this is a 3-byte instruction, the Program Counter was incremented
by three before the push is executed.
Condition
condition bits in the Flag Register (register F). These eight status are
1
1
Note: The first of the two n operands in the assembled object code
above is the least-significant byte of the 2-byte memory address.
cc
cc
is programmed as one of eight status that corresponds to
is true, this instruction pushes the current contents of the
cc
n
n
nn
CALL cc, nn
to PC to point to the address in memory where the
1
0
0
cc
Z80 Instruction Set
is false, the
User’s Manual
Z80 CPU
257
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