參數(shù)資料
型號(hào): S83C552-CB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Single-chip 8-bit microcontroller
中文描述: 8-BIT, MROM, 30 MHz, MICROCONTROLLER, PQFP80
封裝: 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-318-2, QFP-80
文件頁(yè)數(shù): 17/24頁(yè)
文件大?。?/td> 188K
代理商: S83C552-CB
Philips Semiconductors
Product specification
80C552/83C552
Single-chip 8-bit microcontroller
1998 Aug 13
17
t
LLAX
ALE
PSEN
PORT 0
PORT 2
Figure 4. External Data Memory Write Cycle
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
0.8V
t
LOW
t
HIGH
Figure 5. External Clock Drive XTAL1
V
IH1
V
IH1
0.8V
t
CLCL
t
r
t
f
V
IH1
0.8V
V
IH1
0.8V
Figure 6. Shift Register Mode Timing
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
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