M38258MCM Datasheet, PDF (50/70 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 20. Switching characteristics 1 (VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85°C, unless otherwise noted.)
Symbol
twH(SCLK)
twL(SCLK)
td(SCLK–TXD)
tv(SCLK–TXD)
tr(SCLK)
tf(SCLK)
tr(CMOS)
tf(CMOS)
Parameter
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)
Limits
Unit
Min.
Typ.
Max.
tc(SCLK)/2–30
ns
tc(SCLK)/2–30
ns
140
ns
–30
ns
30
ns
30
ns
10
30
ns
10
30
ns
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.
Table 21. Switching characteristics 2 (VCC = 2.5 to 4.0 V, VSS = 0 V, Ta = –20 to 85°C, unless otherwise noted.)
Symbol
twH(SCLK)
twL(SCLK)
td(SCLK–TXD)
tv(SCLK–TXD)
tr(SCLK)
tf(SCLK)
tr(CMOS)
tf(CMOS)
Parameter
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)
Min.
tc(SCLK)/2–50
tc(SCLK)/2–50
Limits
Typ.
–30
20
20
Unit
Max.
ns
ns
350 ns
ns
50 ns
50 ns
50 ns
50 ns
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.
50