參數(shù)資料
型號: MC68HC11A8VCFU2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Single-Chip Microcontroller
中文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數(shù): 136/158頁
文件大?。?/td> 776K
代理商: MC68HC11A8VCFU2
MOTOROLA
A-16
ELECTRICAL CHARACTERISTICS
MC68HC11A8
TECHNICAL DATA
A
Figure A-13 Three-State Variation of Output Handshake Timing Diagram
(STRA Enables Output Buffer)
E
t
DEB
PORT C (OUT)
(DDR = 1)
READ PORTCL
1
STRB (OUT)
t
PWD
"READY"
NOTES:
1. After reading PIOC with STAF set
2. Figure shows rising edge STRA (EGA = 1) and high true STRB (INVB = 1).
t
AES
OLD DATA
NEW DATA VALID
PORT C (OUT)
(DDR = 0)
STRA (IN)
a) STRA ACTIVE BEFORE PORTCL WRITE
NEW DATA VALID
PORT C (OUT)
(DDR = 0)
STRA (IN)
b) STRA ACTIVE AFTER PORTCL WRITE
t
DEB
t
PCZ
t
PCH
t
PCZ
t
PCH
t
PCD
tPCD
3STATE VAR HNDSHK
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