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參數(shù)資料
| 型號： | 8XC80C32 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit CMOS (low voltage, low power and high speed) microcontroller families |
| 中文描述： | 8位CMOS（低電壓，低功耗和高速）微控制器系列 |
| 文件頁數(shù)： | 39/55頁 |
| 文件大小： | 361K |
| 代理商： | 8XC80C32 |
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Philips Semiconductors
Preliminary specification
8XC52/54/58/80C32
8XC51FA/FB/FC/80C51FA
8XC51RA+/RB+/RC+/RD+/80C51RA+
8-bit CMOS (low voltage, low power
and high speed) microcontroller families
1997 Dec 01
213
AC ELECTRICAL CHARACTERISTICS
T
amb
= 0
°
C to +70
°
C or –40
°
C to +85
°
C, V
CC
= 5V
±
10%, V
SS
= 0V
1, 2, 3
VARIABLE CLOCK
4
MIN
2t
CLCL
–40
t
CLCL
–25
t
CLCL
–25
33MHz CLOCK
MIN
21
5
SYMBOL
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 = 100pF, load capacitance for all other outputs = 80pF.
3. Interfacing the microcontroller to devices with float times up to 45ns is permitted. This limited bus contention will not cause damage to Port 0
drivers.
4. For frequencies equal or less than 16MHz, see 16MHz “AC Electrical Characteristics”, page 212.
5. Parts are guaranteed to operate down to 0Hz.
FIGURE
14
14
14
14
14
14
14
14
14
14
14
PARAMETER
MAX
MAX
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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
4t
CLCL
–65
55
t
CLCL
–25
3t
CLCL
–45
5
45
3t
CLCL
–60
30
0
0
t
CLCL
–25
5t
CLCL
–80
10
5
70
10
15, 16
15, 16
15, 16
15, 16
15, 16
15, 16
15, 16
15, 16
15, 16
15, 16
15, 16
16
15, 16
15, 16
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
6t
CLCL
–100
6t
CLCL
–100
82
82
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5t
CLCL
–90
60
0
0
2t
CLCL
–28
8t
CLCL
–150
9t
CLCL
–165
3t
CLCL
+50
32
90
105
140
3t
CLCL
–50
4t
CLCL
–75
t
CLCL
–30
t
CLCL
–25
7t
CLCL
–130
40
45
0
5
80
0
0
55
t
CLCL
–25
t
CLCL
+25
5
18
18
18
18
High time
Low time
Rise time
Fall time
17
17
t
CLCL
–t
CLCX
t
CLCL
–t
CHCX
5
5
ns
ns
ns
ns
17
17
17
17
17
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
12t
CLCL
10t
CLCL
–133
2t
CLCL
–80
0
360
167
ns
ns
ns
ns
ns
0
10t
CLCL
–133
167
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