S3C9228/P9228ELECTRICAL DATA

Table 16-5. A.C. Electrical Characteristics

(TA = – 25°C to + 85°C, VDD = 2.0 V to 5.5 V)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

 

 

 

 

 

 

 

SCK cycle time

tKCY

External SCK source

1,000

ns

 

 

Internal SCK source

1,000

 

 

 

 

 

 

 

 

 

 

SCK high, low width

tKH, tKL

External SCK source

500

 

 

 

 

 

Internal SCK source

tKCY/2–50

 

 

 

SI setup time to SCK

tSIK

External SCK source

250

 

 

 

high

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Internal SCK source

250

 

 

 

 

 

 

 

 

 

 

SI hold time to SCK high

tKSI

External SCK source

400

 

 

 

 

 

Internal SCK source

400

 

 

 

 

 

 

 

 

 

 

Output delay for SCK to

tKSO

External SCK source

300

ns

SO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Internal SCK source

 

 

250

 

 

 

 

 

 

 

 

Interrupt input, High,

tINTH,

All interrupt

500

700

ns

Low width

tINTL

VDD = 3 V

 

 

 

 

RESET input Low width

tRSL

Input

10

μs

 

 

VDD = 3 V

 

 

 

 

16-7

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Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 user manual A.C. Electrical Characteristics