參數(shù)資料
型號(hào)： MB89498PF
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 8-bit Proprietary Microcontroller
中文描述： 8-BIT, MROM, 12.5 MHz, MICROCONTROLLER, PQFP100
封裝： 20 X 14 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁(yè)數(shù)： 18/45頁(yè)
文件大?。?/td> 577K
代理商： MB89498PF
18
MB89490 Series
2. Registers
The F
2
MC-8L family has two types of registers; dedicated registers in the CPU and general-purpose registers
in the memory. The following registers are provided:
Program counter (PC):
A 16-bit register for indicating instruction storage positions.
Accumulator (A):
A 16-bit temporary register for storing arithmetic operations, etc. When the
instruction is an 8-bit data processing instruction, the lower byte is used.
Temporary accumulator (T): A 16-bit register for performing arithmetic operations with the accumulator.
When the instruction is an 8-bit data processing instruction, the lower byte is used.
Index register (IX):
A 16-bit register for index modification.
Extra pointer (EP):
A 16-bit pointer for indicating a memory address.
Stack pointer (SP):
A 16-bit register for indicating a stack area.
Program status (PS):
A 16-bit register for storing a register pointer, a condition code.
The PS can further be divided into higher 8 bits for use as a register bank pointer (RP) and the lower 8 bits for
use as a condition code register (CCR). (See the diagram below.)
PC
A
T
IX
EP
SP
PS
16 bits
: Program counter
: Accumulator
: Temporary accumulator
: Index register
: Extra pointer
: Stack pointer
: Program status
FFFD
H
Undefined
Undefined
Undefined
Undefined
Undefined
I-flag = 0, IL1, 0 = 11
Other bits are undefined.
Initial value
Structure of the Program Status Register
VacancyVacancyVacancy
H
I
IL1, 0
N
Z
V
C
5
4
RP
PS
10
9
8
7
6
3
2
1
0
15
14
13
12
11
RP
CCR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB89498PFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller CMOS
MB894-C6-R 制造商:IBase Technology (USA) Inc. 功能描述:MATX, ZC CELERON M 600MHZ, 852GM, VGA, 10/100BT X 1, COMX4, - Bulk
MB894F-R 制造商:IBase Technology (USA) Inc. 功能描述:MATX, SOCKET 479, 855GME, VGA, 10/100BT X 1 + GBE X 1, COMX4 - Bulk
MB89530 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Original Microcontroller
MB89530A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Microcontroller
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