P83C552KBB 데이터 시트보기 (PDF) - Philips Electronics
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P83C552KBB Datasheet PDF : 24 Pages
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Philips Semiconductors
Single-chip 8-bit microcontroller
Product specification
80C552/83C552
ALE
PSEN
WR
PORT 0
PORT 2
tWHLH
tLLWL
tWLWH
tAVLL
tLLAX
A0–A7
FROM RI OR DPL
tAVWL
tQVWX
tDW
DATA OUT
P2.0–P2.7 OR A8–A15 FROM DPH
tWHQX
A0–A7 FROM PCL
A8–A15 FROM PCH
Figure 4. External Data Memory Write Cycle
INSTR IN
tHIGH
VIH1
0.8V
VIH1
0.8V
tLOW
tr
VIH1
0.8V
tCLCL
tf
VIH1
0.8V
Figure 5. External Clock Drive XTAL1
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
CLEAR RI
0
1
2
3
4
5
6
7
8
tXLXL
tQVXH
tXHQX
0
1
tXHDV
2
tXHDX
VALID
VALID
VALID
3
VALID
4
VALID
Figure 6. Shift Register Mode Timing
5
VALID
6
VALID
7
SET TI
VALID
SET RI
1998 Aug 13
17
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