P89C668 Philips Semiconductors, P89C668 Datasheet - Page 42

• Manufacturer Part Number: P89C668
• Description: 80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM
• Manufacturer: Philips Semiconductors

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Philips Semiconductors
NOTE:
2001 Jul 27
80C51 8-bit Flash microcontroller family
64KB ISP Flash with 8KB RAM
Ports 1.6 and 1.7 should be connected to V
exceed the I
CLOCK SIGNAL
Figure 41. I
(NC)
OL1
All other pins are disconnected
specification.
V
CC
CC
Test Condition, Active Mode
RST
XTAL2
XTAL1
V
SS
Figure 43. Clock Signal Waveform for I
89C668
V
CC
0.5V
Figure 44. I
–0.5
P1.6
P1.7
(NC)
CC
V
EA
CC
P0
through resistors of sufficiently high value such that the sink current into these pins does not
I
CC
SU01109
All other pins are disconnected
V
V
CC
CC
t
CC
CHCL
RST
EA
XTAL2
XTAL1
V
*
*
t
SS
Test Condition, Power Down Mode
CLCL
V
CC
= t
89C668
= 2 V to 5.5 V
CHCL
42
t
CLCX
CC
= 10 ns
Tests in Active and Idle Modes
V
P1.6
P1.7
t
CLCL
CC
CLOCK SIGNAL
P0
t
CHCX
t
I
CLCH
CC
SU01111
Figure 42. I
V
V
(NC)
CC
CC
SU00266
*
*
All other pins are disconnected
CC
RST
XTAL2
XTAL1
V
EA
SS
Test Condition, Idle Mode
89C668
P1.6
P1.7
V
CC
P0
P89C668
Preliminary data
I
CC
SU01110
V
V
CC
CC
*
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