M38258MCM Datasheet, PDF (56/70 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 30. Switching characteristics 1 (Extended operating temperature version)
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –40 to 85°C, unless otherwise noted.)
Symbol
Parameter
Limits
Unit
Min.
Typ.
Max.
twH(SCLK)
twL(SCLK)
td(SCLK–TXD)
tv(SCLK–TXD)
tr(SCLK)
tf(SCLK)
tr(CMOS)
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)
tc(SCLK)/2–30
tc(SCLK)/2–30
–30
10
ns
ns
140
ns
ns
30
ns
30
ns
30
ns
tf(CMOS)
CMOS output falling time (Note 2)
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 31. 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.)
Symbol
Parameter
Limits
Unit
Min.
Typ.
Max.
twH(SCLK)
Serial I/O clock output “H” pulse width
tc(SCLK)/2–50
ns
twL(SCLK)
Serial I/O clock output “L” pulse width
tc(SCLK)/2–50
ns
td(SCLK–TXD) Serial I/O output delay time (Note 1)
350
ns
tv(SCLK–TXD) Serial I/O output valid time (Note 1)
–30
ns
tr(SCLK)
Serial I/O clock output rising time
50
ns
tf(SCLK)
Serial I/O clock output falling time
50
ns
tr(CMOS)
CMOS output rising time (Note 2)
20
50
ns
tf(CMOS)
CMOS output falling time (Note 2)
20
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.
56