M38224E8-FP データシートの表示（PDF） - MITSUBISHI ELECTRIC
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M38224E8-FP Datasheet PDF : 78 Pages
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MITSUBISHI MICROCOMPUTERS
3822 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 55 Switching characteristics 1 (H version)
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
twH(SCLK)
twL(SCLK)
td(SCLK–TXD)
tv(SCLK–TXD)
tr(SCLK)
tf(SCLK)
tr(CMOS)
tf(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)
CMOS output falling time (Note 2)
Limits
Min.
Typ.
tC (SCLK)/2–30
tC (SCLK)/2–30
–30
10
10
Notes1: 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 56 Switching characteristics 2 (H version)
(VCC = 2.0 to 4.0 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
twH(SCLK)
twL(SCLK)
td(SCLK–TXD)
tv(SCLK–TXD)
tr(SCLK)
tf(SCLK)
tr(CMOS)
tf(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)
CMOS output falling time (Note 2)
Limits
Min.
Typ.
tC (SCLK)/2–50
tC (SCLK)/2–50
–30
20
20
Notes1: 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.
Unit
Max.
ns
ns
140
ns
ns
30
ns
30
ns
30
ns
30
ns
Unit
Max.
ns
ns
350
ns
ns
50
ns
50
ns
50
ns
50
ns
Measurement output pin
100 pF
CMOS output
Measurement output pin
1 kΩ
100 pF
N-channel open-drain output (Note)
Note: When bit 4 of the UART control register
(address 001B16) is “1”. (N-channel open-
drain output mode)
Fig. 47 Circuit for measuring output switching characteristics
72
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