11 spi controller, Tmp92cz26a, 25 pf – Toshiba H1 Series User Manual

Page 666

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TMP92CZ26A

92CZ26A-663

4.3.11 SPI

Controller

Variable

Parameter Symbol

Min Max

80MHz 60 MHz

Unit

SPCLK frequency (

= 1/S)

f

PP

20

20 15

MHz

SPCLK rising time

t

r

6

6

6

SPCLK falling time

t

f

6

6

6

SPCLK low width

t

WL

0.5S

− 6

19

28

SPCLK high width

t

WH

0.5S

6 19

28

Output data valid

→ SPCLK rising

t

ODS

0.5S

− 18

7

15

SPCLK rising/ falling

→ Output data hold

t

ODH

0.5S

− 10

15

23.4

Input data valid

→ SPCLK rising/ falling

t

IDS

5

5

5

SPCLK rising/ falling

→ Input data valid

t

IDH

5

5

5

ns

AC measuring condition

• Clock of top column in above table shows system clock frequency, and “S” in “Variable” show
SPCLK clock cycle [ns].
• C

L

= 25 pF







SPCLK Output

(at SPIMD<TCPOL,RCPOL>

= “11”)

SPDO Output

f

PP

t

r

t

f

0.2V

CC

0.7 V

CC

t

WL

t

WH

t

ODS

t

ODH

t

IDS

t

IDH

SPDI Input

SPCLK Output

(at SPIMD<TCPOL,RCPOL>

= “00”)

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