3820 datasheet(64/67 Pages) RENESAS

64 / 67 page

3820 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

Measurement output pin

100pF

CMOS output

Note: When bit 4 of the UART

control register (address 001B 16) is “1”.

(N-channel open-drain output mode)

Measurement output pin

100pF

N-channel open-drain output (Note)

Ω

Serial I/O1 clock output “H” pulse width

Serial I/O1 clock output “L” pulse width

Serial I/O1 output delay time (Note 1)

Serial I/O1 output valid time (Note 1)

Serial I/O1 clock output rising time

Serial I/O1 clock output falling time

Serial I/O2 clock output “H” pulse width

Serial I/O2 clock output “L” pulse width

Serial I/O2 output delay time

Serial I/O2 output valid time

Serial I/O2 clock output falling time

CMOS output rising time (Note 2)

CMOS output falling time (Note 2)

140

0.2!tC(SCLK2)

Symbol

Parameter

Limits

Min.

Unit

(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85

°C, unless otherwise noted.)

tc(SCLK1)/2–30

–30

tc(SCLK2)/2–160

Typ.

Max.

twH(SCLK1)

twL(SCLK1)

td(SCLK1–TXD)

tv(SCLK1–TXD)

tr(SCLK1)

tf(SCLK1)

twH(SCLK2)

twL(SCLK2)

td(SCLK2–SOUT2)

tv(SCLK2–SOUT2)

tf(SCLK2)

tr(CMOS)

tf(CMOS)

Notes 1: When the P45/TXD P-channel output disable bit of the UART control register (bit 4 of address 001B16) is “0”.

2: XOUT and XCOUT pins are excluded.

SWITCHING CHARACTERISTICS 1 (Low Power Source Voltage Version)