Technical information

94
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
TIMING REQUIREMENTS
Table 38 Timing requirements (1)
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Reset input “L” pulse width
Main clock input cycle time
Main clock input “H” pulse width
Main clock input “L” pulse width
Sub-clock input cycle time
Sub-clock input “H” pulse width
Sub-clock input “L” pulse width
CNTR0, CNTR1 input cycle time
CNTR0, CNTR1 input “H” pulse width
CNTR0, CNTR1 input “L” pulse width
tW(RESET)
tC(XIN)
tWH(XIN)
tWL(XIN)
tC(XCIN)
tWH(XCIN)
tWL(XCIN)
tC(CNTR)
tWH(CNTR)
tWL(CNTR)
tWH(INT)
tWL(INT)
Limits
µs
ns
ns
ns
µs
µs
µs
ns
ns
ns
ns
ns
Parameter
Min.
2
100
40
40
20
5
5
200
80
80
80
80
Typ. Max.
Symbol Unit
Note : When bit 6 of address 001A16 is “1” (clock synchronous).
Divide this value by four when bit 6 of address 001A
16 is “0” (UART).
tC(SCLK1)
tWH(SCLK1)
tWL(SCLK1)
tsu(RxD-SCLK1)
th(SCLK1-RxD)
tC(SCLK2)
tWH(SCLK2)
tWL(SCLK2)
tsu(SIN2-SCLK2)
th(SCLK2-SIN2)
Serial I/O1 clock input cycle time (Note)
Serial I/O1 clock input “H” pulse width (Note)
Serial I/O1 clock input “L” pulse width (Note)
Serial I/O1 input setup time
Serial I/O1 input hold time
Serial I/O2 clock input cycle time
Serial I/O2 clock input “H” pulse width
Serial I/O2 clock input “L” pulse width
Serial I/O2 input setup time
Serial I/O2 input hold time
INT0, INT1, INT20, INT30, INT40, INT21, INT31, INT41
input “H” pulse width
INT0, INT1, INT20, INT30, INT40, INT21, INT31, INT41
input “L” pulse width
800
370
370
220
100
1000
400
400
200
200
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns