80C554 Datasheet, PDF (25/76 Pages) NXP Semiconductors – 80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP

Philips Semiconductors
80C51 8-bit microcontroller – 6 clock operation
16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I²C, PWM,
capture/compare, high I/O, 64L LQFP
Preliminary specification
80C554/83C554/87C554
SOC Start of Conversion
RESET SAR
[BIT POINTER] = MSB
[BIT]_N = 1
CONVERSION TIME
1
TEST
0
COMPLETE
[BIT]_N = 0
[BIT POINTER] + 1
TEST BIT
POINTER
END
END
EOC END OF CONVERSION
Figure 22. A/D Conversion Flowchart
SU00959
2000 Nov 10
25