參數(shù)資料
型號: IA6805E2PLC44IR0
廠商: Innovasic Semiconductor
文件頁數(shù): 3/33頁
文件大小: 0K
描述: IC MCU 8BIT 5MHZ 44PLCC
標準包裝: 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
I_CC <= 1
SP <= $007F
DDRs <= 0
CLR IRQ_N LOGIC
TIMER <= $FF
PRESCALER <= $7F
TCR <= $7f
FETCH
INSTRUCTION
PUT 1FFE,1FFF ON
ADDRESS BUS
RESET
LOAD PC
FROM
1FFE/1FFF
EXECUTE ALL
INSTRUCTION
CYCLES
CLEAR
IRQ_N
REQUEST
LATCH
LOAD PC FROM:
SWI: 1FFC/1FFD
IRQ_N: 1FFA/1FFB
TIMER: 1FF8/1FF9
TIMER WAIT:1FF6/
1FF7
I <= 1
STACK
PC, X, A, CC
PC+1=>PC
IN
RESET
?
I BIT
?
IRQ_N
EDGE
?
IS FETCHED
INSTRUCTION
AN SWI?
TCR6=0
AND
TCR7=1?
RESET_N
PIN = LOW
RESET_N
PIN = LOW
SWI
TIMER
IRQ_N
Y
N
SET
CLEAR
Figure 8. Reset and Interrupt Processing Flowchart
Copyright 2007
IA211081401-03
www.Innovasic.com
Customer Support:
Page 11 of 33
1-888-824-4184
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