p89c668hbbd NXP Semiconductors, p89c668hbbd Datasheet - Page 85

• Manufacturer Part Number: p89c668hbbd
• Description: 80c51 8-bit Flash Microcontroller Family
• Manufacturer: NXP Semiconductors

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Philips Semiconductors
NOTE:
2002 Oct 28
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
Ports 1.6 and 1.7 should be connected to V
exceed the I
CLOCK SIGNAL
Figure 68. I
(NC)
OL1
All other pins are disconnected
specification.
V
CC
CC
Test Condition, Active Mode.
RST
XTAL2
XTAL1
V
SS
Figure 70. Clock Signal Waveform for I
89C660
89C662
89C664
89C668
V
CC
Figure 71. I
0.5V
All other pins are disconnected; V
–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
SU01261
V
V
CC
CC
CC
t
CHCL
RST
EA
XTAL2
XTAL1
V
*
*
t
Test Condition, Power-Down mode.
SS
CLCL
= t
89C660
89C662
89C664
89C668
CHCL
85
t
CLCX
CC
= 10 ns
Tests in Active and Idle Modes.
V
P1.6
P1.7
t
CLCL
CC
CLOCK SIGNAL
P0
CC
t
CHCX
= 2V to 5.5V
t
I
CLCH
CC
SU01263
Figure 69. I
P89C660/P89C662/P89C664/
V
V
(NC)
CC
CC
SU00266
*
*
All other pins are disconnected
CC
RST
XTAL2
XTAL1
V
EA
SS
Test Condition, Idle Mode.
89C660
89C662
89C664
89C668
P1.6
P1.7
V
CC
P0
P89C668
I
CC
SU01262
V
V
Product data
CC
CC
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