83C552 datasheet(9/23 Pages) PHILIPS

9 / 23 page

Philips Semiconductors

Product data

80C552/83C552

Single-chip 8-bit microcontroller with 10-bit A/D,

capture/compare timer, high-speed outputs, PWM

2002 Sep 03

Serial Control Register (S1CON) – See Table 2

CR2

ENS1

STA

STO

CR1

CR0

S1CON (D8H)

Bits CR0, CR1 and CR2 determine the serial clock frequency that is generated in the master mode of operation.

Table 2. Serial Clock Rates

BIT FREQUENCY (kHz) AT fOSC

CR2

CR1

CR0

6 MHZ

12 MHz

16 MHz

24 MHz2

fOSC DIVIDED BY

62.5

256

107 1

224

83.3

125 1

192

100

150 1

160

6.25

12.5

960

100

133 1

200 1

120

100

200

267 1

400 1

0.24 < 62.5

0.49 < 62.5

0.65 < 55.6

0.98 < 50.0

× (256 – (reload value Timer 1))

0 < 255

0 < 254

0 < 253

0 <251

reload value Timer 1 in Mode 2.

NOTES:

1. These frequencies exceed the upper limit of 100kHz of the I2C-bus specification and cannot be used in an I2C-bus application.

2. At fOSC = 24 MHz the maximum I2C bus rate of 100kHz cannot be realized due to the fixed divider rates.

ABSOLUTE MAXIMUM RATINGS1, 2, 3

PARAMETER

RATING

UNIT

Storage temperature range

–65 to +150

°C

Voltage on any other pin to VSS

–0.5 to +6.5

Input, output DC current on any single I/O pin

5.0

Power dissipation

(based on package heat transfer limitations, not device power consumption)

1.0

NOTES:

1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and

functional operation of the device at these or any conditions other than those described in the AC and DC Electrical Characteristics section

of this specification is not implied.

2. This product includes circuitry specifically designed for the protection of its internal devices from the damaging effects of excessive static

charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying greater than the rated maxima.

3. Parameters are valid over operating temperature range unless otherwise specified. All voltages are with respect to VSS unless otherwise

noted.

DEVICE SPECIFICATIONS

SUPPLY VOLTAGE (V)

FREQUENCY (MHz)

TYPE

MIN

MAX

MIN

MAX

TEMPERATURE RANGE (

°C)

P83(0)C552EBx

4.5

5.5

3.5

0 to +70

P83(0)C552EFx

4.5

5.5

3.5

–40 to +85

P83(0)C552EHx

4.5

5.5

3.5

–40 to +125

P83(0)C552IBx

4.5

5.5

3.5

0 to +70

P83(0)C552IFx

4.5

5.5

3.5

–40 to +85

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