UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 47

• Manufacturer Part Number: UPD78F9502MA-CAC-A
• Description: 8BIT MCU, 4K FLASH, 128B RAM, SMD
• Manufacturer: NEC

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

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
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