S3C72E8 查看數據表（PDF） - Samsung

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S3C72E8

The S3C72E8/P72E8 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers

Samsung 

S3C72E8/P72E8

CPU Clock

1.5 MHz

ELECTRICAL DATA

Main Oscillator

Frequency

6 MHz

0.75 MHz

3 MHz

15.625 kHz

400 kHz

1

23

4

567

1.8 V

Supply Voltage(V)

CPU CLOCK = 1/n x oscillator frequency (n = 4, 8, 64)

Figure 13-1. Standard Operating Voltage Range

Table 13-8. RAM Data Retention Supply Voltage in Stop Mode

(TA = – 40 °C to + 85 °C)

Parameter

Data retention supply voltage

Data retention supply current

Release signal set time

Oscillator stabilization wait

time (1)

Symbol

VDDDR

IDDDR

tSREL

tWAIT

Conditions

–

VDDDR = 1.8 V

–

Released by RESET

Released by interrupt

Min

Typ

Max

1.8

–

5.5

–

0.1

10

0

–

–

–

217 / fx

–

–

(2)

–

Unit

V

µA

µs

ms

NOTES:

1. During oscillator stabilization time, all CPU operations are stopped to avoid unstable operation upon oscillation start.

2. The basic timer mode register (BMOD) interval timer delays execution of CPU instructions during the wait time.

13–9

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