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3806_03 Datasheet, PDF (131/223 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER | |||
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APPENDIX
3.1 Electrical characteristics
3.1.6 Timing requirements and Switching characteristics
Table 3.1.6 Timing requirements (1) (VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = â20 to 85 °C, unless otherwise noted)
Symbol
Parameter
_____
tw(RESET)
tc(XIN)
twH(XIN)
twL(XIN)
tc(CNTR)
twH(CNTR)
twH(INT)
twL(CNTR)
twL(INT)
tc(SCLK1)
tc(SCLK2)
twH(SCLK1)
twH(SCLK2)
twL(SCLK1)
twL(SCLK2)
tsu(RXDâSCLK1)
tsu(SIN2âSCLK2)
th(SCLK1âRXD)
th(SCLK2âSIN2)
Reset input âLâ pulse width
External clock input cycle time
External clock input âHâ pulse width
External clock input âLâ pulse width
CNTR0, CNTR1 input cycle time
CNTR0, CNTR1 input âHâ pulse width
INT0 to INT4 input âHâ pulse width
CNTR0, CNTR1 input âLâ pulse width
INT0 to INT4 input âLâ pulse width
Serial I/O1 clock input cycle time (Note)
Serial I/O2 clock input cycle time
Serial I/O1 clock input âHâ pulse width (Note)
Serial I/O2 clock input âHâ pulse width
Serial I/O1 clock input âLâ pulse width (Note)
Serial I/O2 clock input âLâ pulse width
Serial I/O1 input set up time
Serial I/O2 input set up time
Serial I/O1 input hold time
Serial I/O2 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
1000
ns
370
ns
400
ns
370
ns
400
ns
220
ns
200
ns
100
ns
200
ns
Note: When bit 6 of address 001A16 is â1â. Divide this value by four when bit 6 of address 001A16 is â0â.
Table 3.1.7 Timing requirements (2) (VCC = 3.0 to 4.0 V, VSS = 0 V, Ta = â20 to 85 °C, unless otherwise noted)
Symbol
_____
tw(RESET)
tc(XIN)
Reset input âLâ pulse width
External clock input cycle time
Parameter
twH(XIN)
External clock input âHâ pulse width
twL(XIN)
External clock input âLâ pulse width
tc(CNTR)
twH(CNTR)
twH(INT)
twL(CNTR)
twL(INT)
tc(SCLK1)
tc(SCLK2)
twH(SCLK1)
twH(SCLK2)
twL(SCLK1)
twL(SCLK2)
tsu(RXDâSCLK1)
tsu(SIN2âSCLK2)
th(SCLK1âRXD)
th(SCLK2âSIN2)
CNTR0, CNTR1 input cycle time
CNTR0, CNTR1 input âHâ pulse width
INT0 to INT4 input âHâ pulse width
CNTR0, CNTR1 input âLâ pulse width
INT0 to INT4 input âLâ pulse width
Serial I/O1 clock input cycle time (Note)
Serial I/O2 clock input cycle time
Serial I/O1 clock input âHâ pulse width (Note)
Serial I/O2 clock input âHâ pulse width
Serial I/O1 clock input âLâ pulse width (Note)
Serial I/O2 clock input âLâ pulse width
Serial I/O1 input set up time
Serial I/O2 input set up time
Serial I/O1 input hold time
Serial I/O2 input hold time
Limits
Unit
Min. Typ. Max.
2
µs
500/
(3 VCCâ8)
ns
200/
(3 VCCâ8)
ns
200/
(3 VCCâ8)
ns
500
ns
230
ns
230
ns
230
ns
230
ns
2000
ns
2000
ns
950
ns
950
ns
950
ns
950
ns
400
ns
400
ns
200
ns
300
ns
Note : When bit 6 of address 001A16 is â1â. Divide this value by four when bit 6 of address 001A16 is â0â.
3-6
3806 GROUP USERâS MANUAL
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