UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 47
UPD78F9502MA-CAC-A
Manufacturer Part Number
UPD78F9502MA-CAC-A
Description
8BIT MCU, 4K FLASH, 128B RAM, SMD
Manufacturer
NEC
Datasheet
1.UPD78F9502MA-CAC-A.pdf
(229 pages)
Specifications of UPD78F9502MA-CAC-A
Controller Family/series
UPD78F
No. Of I/o's
8
Ram Memory Size
128Byte
Cpu Speed
10MHz
No. Of Timers
2
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
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3.4.7 Stack addressing
[Function]
[Description example]
[Illustration]
The stack area is indirectly addressed with the stack pointer (SP) contents.
This addressing method is automatically employed when the PUSH, POP, subroutine call, and return instructions
are executed or the register is saved/restored upon interrupt request generation.
Stack addressing can be used to access the internal high-speed RAM area only.
In the case of PUSH DE
SP
SP
Instruction code
FEDEH
FEE0H
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 3 CPU ARCHITECTURE
1
0
FEE0H
FEDFH
FEDEH
1
0
7
1
Memory
0
D
E
1
0
0
47
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