M38002M4 Datasheet, PDF (106/173 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPENDIX
3.1 Electrical characteristics
3.1.4 Timing requirements and Switching characteristics
Table 3.1.4 Timing requirements (1) (VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
tW(RESET)
tc(XIN)
tWH(XIN)
tWL(XIN)
tc(CNTR)
tWH(CNTR)
tWL(CNTR)
tWH(INT)
tWL(INT)
tc(SCLK)
tWH(SCLK)
tWL(SCLK)
tsu(RXD–SCLK)
th(SCLK–RXD)
Reset input “L” pulse width
External clock input cycle time
External clock input “H” pulse width
External clock input “L” pulse width
CNTR0, CNTR1 input cycle time
CNTR0, CNTR1 input “H” pulse width
CNTR0, CNTR1 input “L” pulse width
INT0 to INT5 input “H” pulse width
INT0 to INT5 input “L” pulse width
Serial I/O clock input cycle time (Note)
Serial I/O clock input “H” pulse width (Note)
Serial I/O clock input “L” pulse width (Note)
Serial I/O input set up time
Serial I/O input hold time
Limits
Unit
Min. Typ. Max.
2
µs
125
ns
50
ns
50
ns
200
ns
80
ns
80
ns
80
ns
80
ns
800
ns
370
ns
370
ns
220
ns
100
ns
Note: When bit 6 of address 001A16 is “1”. Divide this value by four when bit 6 of address 001A16 is “0”.
Table 3.1.5 Timing requirements (2) (VCC = 3.0 to 4.0 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
tW(RESET)
tc(XIN)
Reset input “L” pulse width
External clock input cycle time
Parameter
tWH(XIN)
External clock input “H” pulse width
tWL(XIN)
tc(CNTR)
tWH(CNTR)
tWL(CNTR)
tWH(INT)
tWL(INT)
tc(SCLK)
t WH(SCLK )
tWL(SCLK)
tsu(RXD–SCLK)
th(SCLK–RXD)
External clock input “L” pulse width
CNTR0, CNTR1 input cycle time
CNTR0, CNTR1 input “H” pulse width
CNTR0, CNTR1 input “L” pulse width
INT0 to INT5 input “H” pulse width
INT0 to INT5 input “L” pulse width
Serial I/O clock input cycle time (Note)
Serial I/O clock input “H” pulse width (Note)
Serial I/O clock input “L” pulse width (Note)
Serial I/O input set up time
Serial I/O input hold time
Limits
Unit
Min. Typ. Max.
2
µs
500/
(3 VCC–8)
ns
200/
(3 VCC–8)
ns
200/
(3 VCC–8)
ns
500
ns
230
ns
230
ns
230
ns
230
ns
2000
ns
950
ns
950
ns
400
ns
200
ns
Note: When bit 6 of address 001A16 is “1” (clock synchronous mode). Divide this value by four when bit 6 of address 001A16 is “0” (UART
mode).
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3800 GROUP USER’S MANUAL