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

Samsung 

S3C7238/P7238/C7235/P7235

ELECTRICAL DATA

Table 14-2. D.C. Electrical Characteristics (Continued)

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

Parameter Symbol

Conditions

Min

Output low

VOL1 VDD = 4.5 V to 5.5 V, Ports 0, 2–7

–

voltage

IOL = 15 mA

VOL2 VDD = 4.5 V to 5.5 V, Port 8 only

–

IOL = 100 µA

Input high

leakage

current

ILIH1 VIN = VDD

–

All input pins except those specified

below for ILIH2

ILIH2 VIN = VDD

–

XIN, XOUT, XTIN and XTOUT

Input low

ILIL1 VIN = 0 V

–

leakage

All input pins except XIN, XOUT,

current

XTIN and XTOUT

ILIL2

VIN = 0 V

XIN, XOUT, XTIN and XTOUT

Output high

ILOH1 VOUT = VDD

–

leakage

All output pins

current

Output low

leakage

current

ILOL

VOUT = 0 V

All output pins

Pull-up

RL1 Ports 0–7

25

resistor

VIN = 0 V; VDD = 5 V

VDD = 3 V

50

RL2 VIN = 0 V; VDD = 5 V, RESET

100

VDD = 3 V

200

LCD voltage

RLCD TA = 25 °C

50

dividing

resistor

COM output

RCOM VDD = 5 V

–

impedance

VDD = 3 V

SEG output

impedance

RSEG

VDD = 5 V

VDD = 3 V

COM output

VDC VDD = 5 V (VLC0 – COMi)

–

voltage

deviation

Io = ± 15uA (I = 0–3)

SEG output

VDS VDD = 5 V (VLC0-SEGi)

–

voltage

deviation

Io = ± 15µA (I = 0–31)

Typ

0.4

–

–

–

–

–

47

95

220

450

93

3

5

3

5

± 45

ñ 45

Max

Units

2

V

1

3

µA

20

–3

– 20

3

µA

–3

100

KΩ

200

400

800

140

6

15

6

15

± 90

mV

ñ 90

mV

14-3

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