參數(shù)資料
型號: IA6805E2PLC44IR0
廠商: Innovasic Semiconductor
文件頁數(shù): 32/33頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 5MHZ 44PLCC
標(biāo)準包裝: 270
芯體尺寸: 8-位
速度: 5MHz
外圍設(shè)備: POR
輸入/輸出數(shù): 20
程序存儲器類型: 外部程序存儲器
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
IA6805E2
29 August 2007
Microprocessor Unit
As of Production Version 00
Registers:
The following paragraphs describe the registers contained in the MPU. Figure 6 shows the
programming model and Figure 7 shows the interrupt stacking order.
A
X
SP
1
0
H
I
N
Z
C
70
CC
CONDITION CODE REGISTER
CARRY/BORROW
HALF CARRY
INTERRUPT MASK
NEGATIVE
ZERO
STACK POINTER
PROGRAM COUNTER
INDEX REGISTER
ACCUMULATOR
70
12
0
7
8
PCH
PCL
12
6
0
4
0
Figure 6. Programming Model
NOTE: Since the stack pointer decrements during pushes, the PCL is stacked first,
followed by PCH, etc. Pulling from the stack is in the reverse order.
CONDITION CODE
REGISTER
ACCUMULATOR
INDEX REGISTER
1
I
N
T
E
R
U
P
T
DECREASING MEMORY
ADDRESSES
STACK
PCH
0
PCL
R
E
T
U
R
N
INCREASING MEMORY
ADDRESSES
UNSTACK
Figure 7. Interrupt Stacking Order
Copyright 2007
IA211081401-03
www.Innovasic.com
Customer Support:
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