MB95F126JBPFR-GE1 Fujitsu, MB95F126JBPFR-GE1 Datasheet - Page 23
MB95F126JBPFR-GE1
Manufacturer Part Number
MB95F126JBPFR-GE1
Description
MCU, 8-BIT, 8FX, 32K FLASH, QFP100
Manufacturer
Fujitsu
Datasheet
1.MB95F126JBPF-GE1.pdf
(80 pages)
Specifications of MB95F126JBPFR-GE1
Controller Family/series
F2MC-8FX
No. Of I/o's
87
Ram Memory Size
1KB
Cpu Speed
16.25MHz
No. Of Timers
7
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
32KB
Oscillator Type
External Only
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DS07-12610-5E
2. Register
• Structure of the program status
The MB95120MB series has two types of registers; dedicated registers in the CPU and general-purpose registers
in the memory. The dedicated registers are as follows:
The PS can further be divided into higher 8 bits for use as a register bank pointer (RP) and a direct bank pointer
(DP) and the lower 8 bits for use as a condition code register (CCR) . (Refer to the diagram below.)
Program counter (PC)
Accumulator (A)
Temporary accumulator (T)
Index register (IX)
Extra pointer (EP)
Stack pointer (SP)
Program status (PS)
PS
bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9
R4
R3
AH
TH
R2
RP
16-bit
R1
PC
EP
SP
PS
IX
: A 16-bit register to indicate locations where instructions are stored.
: A 16-bit register for temporary storage of arithmetic operations. In the case of
: A 16-bit register which performs arithmetic operations with the accumulator.
: A 16-bit register for index modification
: A 16-bit pointer to point to a memory address.
: A 16-bit register to indicate a stack area.
: A 16-bit register for storing a register bank pointer, a direct bank pointer, and
an 8-bit data processing instruction, the lower 1 byte is used.
In the case of an 8-bit data processing instruction, the lower 1 byte is used.
a condition code register
R0
AL
TL
DP2
DP1 DP0
DP
: Program counter
: Accumulator
: Temporary accumulator
: Index register
: Extra pointer
: Stack pointer
: Program status
bit 8
bit 7
H
bit 6
I
bit 5
IL1
MB95120MB Series
bit 4
IL0
CCR
bit 3
N
bit 2
Z
Initial Value
bit 1
FFFD
V
0030
0000
0000
0000
0000
0000
bit 0
H
H
H
H
H
H
C
H
23
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