UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 39
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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3.3.2 Immediate addressing
3.3.3 Table indirect addressing
[Function]
[Illustration]
[Function]
[Illustration]
Immediate data in the instruction word is transferred to the program counter (PC) to branch.
This function is carried out when the CALL !addr16 and BR !addr16 instructions are executed.
CALL !addr16 and BR !addr16 instructions can be used to branch to all the memory spaces.
In case of CALL !addr16 and BR !addr16 instructions
The table contents (branch destination address) of the particular location to be addressed by the immediate data
of an instruction code from bit 1 to bit 5 are transferred to the program counter (PC) to branch.
Table indirect addressing is carried out when the CALLT [addr5] instruction is executed. This instruction can be
used to branch to all the memory spaces according to the address stored in the memory table 40H to 7FH.
Effective address + 1
Effective address
Instruction code
PC
PC+1
PC+2
PC
15
7
PC
15
7
15
7
0
0
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 3 CPU ARCHITECTURE
CALL or BR
High addr.
Low addr.
1
0
6
Memory (Table)
5
0
High addr.
Low addr.
0
ta
0
4–0
0
0
8 7
0
1
0
8
0
8
0
0
0
7
7
6
1
5
0
1
0
0
0
39
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