UPD780949 datasheet(53/69 Pages) RENESAS

Part #	UPD780949

Description	MOS INTEGRATED CIRCUIT

PDF	69 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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53 / 69 page

µPD780949(A)

(3) Serial Interface (TA = -40 to +85° C, VDD = 4.0. to 5.5 V)

Note:

C is the load capacitance of SO0, SCK0 output line

Note:

C is the load capacitance of SO0, SCK0 output line.

Table 12-12: 3-wire serial I/O mode (SCK0... Internal clock output)

Table 12-13: 3-wire serial I/O mode (SCK0... External clock output)

Parameter

Symbol

Conditions

MIN.

MAX.

Unit

SCK0 cycle time

tKCY1

1000

SCK0 high/low-level width

tKH1, tKL1

tKCY1

/2 - 50

SI0 setup time ( to SCK0)

↑

tSIK1

100

SI0 hold time (from SCK0)

↑

tKSI1

400

SO0 output delay time (from SCK0)

↓

tKSO1

C = 100 pF

Note

300

Parameter

Symbol

Conditions

MIN.

MAX.

Unit

SCK0 cycle time

tKSO1

800

SCK0 high/low-level width

tKH1, tKL1

400

SI0 setup time ( to SCK0)

↑

tSIK1

100

SI0 hold time (from SCK0)

↑

tKSI1

400

SO0 output delay time (from SCK0)

↓

tKSO1

C = 100 pF

Note

300

UPD780949 Datasheet(PDF) 53 Page - Renesas Technology Corp

UPD780949 Datasheet(HTML) 53 Page - Renesas Technology Corp

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