參數(shù)資料
型號: P83C528FBP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: CMOS single-chip 8-bit microcontroller
中文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP40
文件頁數(shù): 17/26頁
文件大?。?/td> 447K
代理商: P83C528FBP
Philips Semiconductors
Product specification
80C528/83C528
CMOS single-chip 8-bit microcontrollers
1995 Feb 02
17
t
LLAX
ALE
PSEN
PORT 0
PORT 2
Figure 3. 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 DPF
A8–A15 FROM PCH
t
WHLH
t
LLWL
t
WLWH
t
AVLL
t
AVWL
t
QVWX
t
WHQX
Figure 4. 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
Figure 5. Timing SIO1 (I
2
C) Interface
t
RD
t
SU;STA
t
BUF
t
SU; STO
0.7 V
DD
0.3 V
DD
0.7 V
DD
0.3 V
DD
t
FD
t
RC
t
FC
t
HIGH
t
LOW
t
HD;STA
t
SU;DAT1
t
HD;DAT
t
SU;DAT2
t
SU;DAT3
START condition
repeated START condition
SDA
(INPUT/OUTPUT)
SCL
(INPUT/OUTPUT)
STOP condition
START or repeated START condition
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