P87C554 NXP Semiconductors, P87C554 Datasheet - Page 72

• Manufacturer Part Number: P87C554
• Description: The P87C554 Single-Chip 8-Bit Microcontroller is manufactured inan advanced CMOS process and is a derivative of the 80C51microcontroller family
• Manufacturer: NXP Semiconductors

1. Active Mode:
Philips Semiconductors
2002 Mar 25
80C51 8-bit microcontroller – 12 clock operation
16K/512 OTP/RAM, 8 channel 10-bit A/D, I
capture/compare, high I/O
a. The following pins must be forced to V
b. The following pins must be forced to V
c. Ports 1.6 and 1.7 should be connected to V
d. The following pins must be disconnected: XTAL2 and all pins not specified above.
cannot exceed the I
Figure 57. 16 MHz Version Supply Current (I
OL1
spec of these pins.
I
DD
CLOCK SIGNAL
mA
20
16
12
0
8
4
DD
SS
V
0
DD
(NC)
: STADC, AV
: EA, RST, Port 0, and EW.
Figure 58. I
DD
through resistors of sufficiently high value such that the sink current into these pins
V
All other pins are disconnected
DD
4
P1.6
P1.7
RST
STADC
XTAL2
XTAL1
V
ss
SS
DD
2
, and AV
C, PWM,
Test Condition, Active Mode
f (MHz)
DD
70
8
ref–
) as a Function of Frequency at XTAL1 (f
.
AV
AV
V
ref–
DD
EW
P0
SS
EA
12
I
DD
1
V
V
DD
DD
SU00218
16
MAXIMUM ACTIVE MODE
TYPICAL ACTIVE MODE
MAXIMUM IDLE MODE
TYPICAL IDLE MODE
SU01116
OSC
)
P87C554
Product data