參數(shù)資料
型號: P83C552EHB
廠商: NXP Semiconductors N.V.
英文描述: Single-chip 8-bit microcontroller
中文描述: 單芯片8位微控制器
文件頁數(shù): 17/23頁
文件大小: 185K
代理商: P83C552EHB
Philips Semiconductors
Product data
80C552/83C552
Single-chip 8-bit microcontroller with 10-bit A/D,
capture/compare timer, high-speed outputs, PWM
2002 Sep 03
17
SU01696
t
LLAX
ALE
PSEN
PORT 0
PORT 2
WR
A0–A7
FROM RI OR DPL
DATA OUT
A0–A7 FROM PCL
INSTR IN
P2.0–P2.7 OR A8–A15 FROM DPH
A8–A15 FROM PCH
t
WHLH
t
LLWL
t
WLWH
t
AVLL
t
AVWL
t
QVWX
t
WHQX
t
DW
Figure 4. External Data Memory Write Cycle
SU01697
0.8 V
t
LOW
t
HIGH
V
IH1
V
IH1
0.8 V
t
CLCL
t
r
t
f
V
IH1
V
IH1
0.8 V
0.8 V
Figure 5. External Clock Drive XTAL1
SU01678
0
1
2
3
4
5
6
7
8
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
CLEAR RI
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
SET TI
SET RI
t
XLXL
t
QVXH
t
XHQX
t
XHDX
t
XHDV
0
1
2
3
4
5
6
7
Figure 6. Shift Register Mode Timing
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