參數(shù)資料
型號： P89C51UBBB
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
中文描述： 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 58/68頁
文件大?。?/td> 404K
代理商： P89C51UBBB
Philips Semiconductors
Preliminary data
P89C51RA2/RB2/RC2/RD2xx
80C51 8-bit Flash microcontroller family
8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB RAM
2002 Jul 18
58
AC ELECTRICAL CHARACTERISTICS (6-CLOCK MODE)
T
amb
= 0
°
C to +70
°
C or –40
°
C to +85
°
C; V
CC
= 5 V
±
10%, V
SS
= 0 V
1, 2, 3
VARIABLE CLOCK
4
MIN
0
t
CLCL
–40
0.5t
CLCL
–20
0.5t
CLCL
–20
20 MHz CLOCK
4
MIN
SYMBOL
1/t
CLCL
t
LHLL
t
AVLL
t
LLAX
t
LLIV
t
LLPL
t
PLPH
t
PLIV
t
PXIX
t
PXIZ
t
AVIV
t
PLAZ
Data Memory
t
RLRH
t
WLWH
t
RLDV
t
RHDX
t
RHDZ
t
LLDV
t
AVDV
t
LLWL
t
AVWL
t
QVWX
t
WHQX
t
QVWH
t
RLAZ
t
WHLH
External Clock
t
CHCX
t
CLCX
t
CLCH
t
CHCL
Shift Register
t
XLXL
t
QVXH
t
XHQX
t
XHDX
t
XHDV
NOTES:
1. Parameters are valid over operating temperature range unless otherwise specified.
2. Load capacitance for port 0, ALE, and PSEN = 100 pF, load capacitance for all other outputs = 80 pF.
3. Interfacing the microcontroller to devices with float times up to 45 ns is permitted. This limited bus contention will not cause damage to
Port 0 drivers.
4. Parts are tested to 2 MHz, but are guaranteed to operate down to 0 Hz.
FIGURE
42
42
42
42
42
42
42
42
42
42
42
42
PARAMETER
MAX
20
MAX
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Oscillator frequency
ALE pulse width
Address valid to ALE low
Address hold after ALE low
ALE low to valid instruction in
ALE low to PSEN low
PSEN pulse width
PSEN low to valid instruction in
Input instruction hold after PSEN
Input instruction float after PSEN
Address to valid instruction in
PSEN low to address float
10
5
5
2t
CLCL
–65
35
0.5t
CLCL
–20
1.5t
CLCL
–45
5
30
1.5t
CLCL
–60
15
0
0
0.5t
CLCL
–20
2.5t
CLCL
–80
10
5
45
10
43, 44
43, 44
43, 44
43, 44
43, 44
43, 44
43, 44
43, 44
43, 44
43, 44
43, 44
44
43, 44
43, 44
RD pulse width
WR pulse width
RD low to valid data in
Data hold after RD
Data float after RD
ALE low to valid data in
Address to valid data in
ALE low to RD or WR low
Address valid to WR low or RD low
Data valid to WR transition
Data hold after WR
Data valid to WR high
RD low to address float
RD or WR high to ALE high
3t
CLCL
–100
3t
CLCL
–100
50
50
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2.5t
CLCL
–90
35
0
0
t
CLCL
–20
4t
CLCL
–150
4.5t
CLCL
–165
1.5t
CLCL
+50
5
50
60
125
1.5t
CLCL
–50
2t
CLCL
–75
0.5t
CLCL
–25
0.5t
CLCL
–20
3.5t
CLCL
–130
25
25
0
5
45
0
0
45
0.5t
CLCL
–20
0.5t
CLCL
+20
5
46
46
46
46
High time
Low time
Rise time
Fall time
20
20
t
CLCL
–t
CLCX
t
CLCL
–t
CHCX
5
5
ns
ns
ns
ns
45
45
45
45
45
Serial port clock cycle time
Output data setup to clock rising edge
Output data hold after clock rising edge
Input data hold after clock rising edge
Clock rising edge to input data valid
6t
CLCL
5t
CLCL
–133
t
CLCL
–30
0
300
117
20
0
ns
ns
ns
ns
ns
5t
CLCL
–133
117
相關PDF資料
PDF描述
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
P89C51UBBB-S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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P89C51UBPN 制造商:NXP Semiconductors 功能描述:
P89C51UFAA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
P89C51UFAA-T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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