HD404369S 데이터 시트보기 (PDF) - Renesas Electronics

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HD404369S

4-bit HMCS400-Series microcomputer

Renesas Electronics 

HD404369 Series

SCK

t SCKf

VCC – 0.5 V (0.8VCC )*

0.4 V (0.2VCC)*

t DSO

SO

SI

t Scyc

t SCKL

t SCKr

t SCKH

VCC – 0.5 V

0.4 V

t SSI

t HSI

0.7V CC

0.3VCC

Note: * VCC – 0.5 V and 0.4 V are the threshold voltages for transmit clock output, and

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

Figure 88 Serial Interface Timing

Test

point

C=

30 pF

VCC

RL = 2.6 kΩ

R=

12 kΩ

Hitachi

1S2074

or equivalent

Figure 89 Timing Load Circuit

112

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