p87c51mc2ba/02 NXP Semiconductors, p87c51mc2ba/02 Datasheet - Page 20

• Manufacturer Part Number: p87c51mc2ba/02
• Description: 80c51 8-bit Microcontroller Family With Extended Memory
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 8:
T
duty cycle.
9397 750 12302
Product data
Symbol Fig
t
t
External Clock
t
t
t
t
Shift Register
t
t
t
t
t
SPI Interface
f
t
RLAZ
WHLH
CHCX
CLCX
CLCH
CHCL
XLXL
QVXH
XHQX
XHDX
XHDV
SPI
SPICYC
amb
= 0 to +70 C for commercial unless otherwise specified. Formulae including t
5
5,
12
12
12
12
7
7
7
7
7
8, 9,
10,
11
[1][2][3]
Dynamic characteristics
6
Parameter
RD LOW to
address float
RD or WR HIGH
to ALE HIGH
HIGH time
LOW time
Rise time
Fall Time
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
Cycle time
2.0 MHz
(Master)
2.0 MHz
(Slave)
3.0 MHz
(Master)
3.0 MHz
(Slave)
2.7 V < V
Variable clock
Min
-
0.5t
33
33
-
-
6t
5t
t
0
-
-
0
-
0
-
500
-
333
CLCL
…continued
CLCL
CLCL
CLCL
10
10
DD
20 0.5t
Rev. 03 — 13 November 2003
< 5.5 V
Max
0
t
t
8
8
-
-
-
-
5t
-
2.0
-
3.0
-
-
-
-
CLCL
CLCL
[4]
CLCL
CLCL
t
t
CLCX
CHCX
55
+10 21
f
12 MHz
Min Max
-
33
33
-
-
500 -
406 -
68
0
-
-
0
-
0
-
500 -
-
333 -
P87C51MB2/P87C51MC2
OSC
=
0
51
-
-
8
8
-
-
361
-
2.0
-
3.0
-
-
[4]
4.5 V < V
Variable clock
Min
-
0.5t
16
16
-
-
t
t
t
0
-
-
0
-
0
-
500
-
333
CLCL
CLCL
CLCL
CLCL
CLCL
t
t
15
80C51 8-bit microcontroller family
CLCX
CHCX
11 0.5t
DD
assume oscillator signal with 50/50
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
< 5.5 V
Max
0
t
t
4
4
-
-
-
-
5t
-
2.0
-
3.0
-
-
-
-
CLCL
CLCL
[4]
CLCL
CLCL
t
t
CLCX
CHCX
35
+10 9
f
24 MHz
Min
-
16
16
-
-
250
198
26
0
-
-
0
-
0
-
500
-
333
OSC
=
Max
0
30
-
-
4
4
-
-
-
-
173
-
2.0
-
3.0
-
-
-
-
[4]
20 of 36
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
ns