Renesas PCA4738L-64A Technical Information PDF herunterladen (Seite 62)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

3825 Group

Table 32. Switching characteristics 1 (Extended operating temperature version)

CC = 4.0 to 5.5 V, VSS = 0 V, Ta = –40 to 85°C, unless otherwise noted.)

Notes 1 : When the P4

5/TXD P-channel output disable bit of the UART control register (bit 4 of address 001B16) is “0”.

2 : X

OUT and XCOUT pins are excluded.

Serial I/O clock output “H” pulse width

Serial I/O clock output “L” pulse width

Serial I/O output delay time (Note 1)

Serial I/O output valid time (Note 1)

Serial I/O clock output rising time

Serial I/O clock output falling time

CMOS output rising time (Note 2)

CMOS output falling time (Note 2)

140

Symbol Parameter

Limits

Min.

Unit

c(S

CLK

)

/2–30

c(S

CLK

)

/2–30

–30

Typ.

Max.

wH(SCLK)

twL(SCLK)

d(S

CLK

–T

v(S

CLK

–T

tr(SCLK)

tf(SCLK)

tr(CMOS)

tf(CMOS)

Table 33. Switching characteristics 2 (Extended operating temperature version)

(VCC = 2.5 to 4.0 V, VSS = 0 V, Ta = –20 to 85°C, and VCC = 3.0 to 4.0 V, VSS = 0 V, Ta = –40 to –20°C, unless otherwise noted.)