P87C554 NXP Semiconductors, P87C554 Datasheet - Page 26
P87C554
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
Datasheet
1.P87C554.pdf
(77 pages)
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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
1
Figure 22. A/D Conversion Flowchart
CONVERSION TIME
[BIT POINTER] = MSB
[BIT POINTER] + 1
2
COMPLETE
C, PWM,
RESET SAR
TEST BIT
POINTER
[BIT]
TEST
SOC
EOC
N
END
= 1
24
END OF CONVERSION
Start of Conversion
END
[BIT]
0
N
= 0
SU00959
P87C554
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