HD404334 データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HD404334

4-bit HMCS400-Series microcomputer

Hitachi -> Renesas Electronics 

HD404339 Series

SCK

t SCKf

VCC – 2.0 V (0.8VCC )*

0.8 V (0.2VCC)*

t DSO

SO

SI

t Scyc

t SCKL

t SCKr

t SCKH

VCC – 2.0 V

0.8 V

t SSI

t HSI

0.8V CC

0.2VCC

Note: * VCC – 2.0 V and 0.8 V are the threshold voltages for transmit clock output, and

0.8VCC and 0.2VCC are the threshold voltages for transmit clock input.

Figure 60 Serial Interface Timing

Test

point

C=

30 pF

VCC

RL = 2.6 kΩ

R=

12 kΩ

Hitachi

1S2074

or equivalent

Figure 61 Timing Load Circuit

75

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