S3C7235 Просмотр технического описания (PDF) - Samsung

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S3C7235

The S3C7238/C7235 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47

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ELECTRICAL DATA

S3C7238/P7238/C7235/P7235

(TA = 25 °C)

Table 14-1. Absolute Maximum Ratings

Parameter

Supply Voltage

Input Voltage

Output Voltage

Output Current High

Output Current Low

Operating Temperature

Storage Temperature

Symbol

VDD

VI1

VO

I OH

I OL

TA

Tstg

Conditions

Rating

–

– 0.3 to + 6.5

All I/O ports

– 0.3 to VDD + 0.3

–

– 0.3 to VDD + 0.3

One I/O pin active

– 15

All I/O ports active

– 35

One I/O pin active

+ 30 (Peak value)

+ 15 (note)

Total value for ports 0, 2, 3, and 5 + 100 (Peak value)

+ 60 (note)

Total value for ports 4, 6, and 7

+ 100

+ 60 (note)

–

– 40 to + 85

–

– 65 to + 150

NOTE: The values for Output Current Low (IOL) are calculated as Peak Value × Duty .

Units

V

mA

°C

Table 14-2. D.C. Electrical Characteristics

(TA = – 40 °C to + 85 °C, VDD = 1.8 V to 5.5 V)

Parameter Symbol

Conditions

Min

Typ

Input high

voltage

VIH1 All input pins except those

0.7 VDD

–

specified below for VIH2, VIH3

VIH2 Ports 0, 1, 6, 7 and RESET

0.8 VDD

–

VIH3

XIN, XOUT, XTIN and XTOUT

VDD – 0.1

–

Input low

VIL1 Ports 2, 3, 4 and 5

–

–

voltage

VIL2 Ports 0, 1, 6, 7 and RESET

–

–

VIL3

XIN, XOUT, XTIN and XTOUT

–

–

Output high

VOH1 VDD = 4.5 V to 5.5 V

VDD – 1.0

–

voltage

Ports 0, 2, 3, 4, 5, 6, 7 and BIAS

IOH = – 1 mA

VOH2

VDD = 4.5 V to 5.5 V

Port 8 ONLY

IOH = – 100 µA

VDD – 2.0

–

Max

VDD

Units

V

VDD

VDD

0.3 VDD

V

0.2 VDD

0.1

–

V

–

14-2

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