21
21-25
ELECTRICAL CHARACTERISTICS
32180 Group User's Manual (Rev.1.0)
Symbol
Parameter
Rated Value
Unit
See Figs.
21.7.6
21.7.7
MIN
MAX
21.7.8
21.7.9
tc(BCLK)
BCLK Output Cycle Time
ns
[16]
tw(BCLKH)
BCLK Output High Pulse Width
-5
ns
[17]
tw(BCLKL)
BCLK Output Low Pulse Width
-5
ns
[18]
td(BCLKH-A)
Address Delay Time after BCLK
24
ns
[19]
td(BCLKH-CS)
Chip Select Delay Time after BCLK
24
ns
[20]
tv(BCLKH-A)
Address Valid Time after BCLK
-5
ns
[21]
tv(BCLKH-CS)
Chip Select Valid Time after BCLK
-5
ns
[22]
td(BCLKL-RDL)
Read Delay Time after BCLK
10
ns
[23]
tv(BCLKH-RDL)
Read Valid Time after BCLK
-5
ns
[24]
td(BCLKL-BLWL) Write Delay Time after BCLK
11
ns
[25]
td(BCLKL-BHWL)
tv(BCLKL-BLWL) Write Valid Time after BCLK
-5
ns
[26]
tv(BCLKL-BHWL)
td(BCLKL-D)
Data Output Delay Time after BCLK
With zero wait state: 11
ns
[27]
With 1 or more wait states: 18
tv(BCLKH-D)
Data Output Valid Time after BCLK
With zero wait state: -4
ns
[28]
With 1 or more wait states: -10
tpzx(BCLKL-DZ)
Data Output Enable Time after BCLK
-10
ns
[29]
tpxz(BCLKH-DZ) Data Output Disable Time after BCLK
5
ns
[30]
td(A-RDL)
Address Delay Time before Read
( )
×
(1+S)-15
ns
[39]
td(CS-RDL)
Chip Select Delay Time before Read
( )
×
(1+S)-15
ns
[40]
tv(RDH-A)
Address Valid Time after Read
tc(BCLK)
×
(R+ID)
ns
[41]
tv(RDH-CS)
Chip Select Valid Time after Read
tc(BCLK)
×
R
ns
[42]
tpzx(RDH-DZ)
Data Output Enable Time after Read
tc(BCLK)
×
( +R+ID)
ns
[46]
td(A-BLWL)
Address Delay Time before Write
( )
×
(1+S)-15
ns
[47]
td(A-BHWL)
(byte write mode)
td(CS-BLWL)
Chip Select Delay Time before Write
( )
×
(1+S)-15
ns
[48]
td(CS-BHWL)
(byte write mode)
tv(BLWH-A)
Address Valid Time after Write
With zero wait state: -5
ns
[49]
tv(BHWH-A)
(byte write mode)
With 1 or more wait states:
tc(BCLK)
×
( +R)-5
tv(BLWH-CS)
Chip Select Valid Time after Write
With zero wait state: -5
ns
[50]
tv(BHWH-CS)
(byte write mode)
With 1 or more wait states:
tc(BCLK)
×
( +R)-5
(4) Read and write timing
tc(BCLK)
2
tc(BCLK)
2
tc(BCLK)
2
tc(BCLK)
2
tc(Xin)
2
1
2
1
2
1
2
tc(BCLK)
2
tc(BCLK)
2
21.7 A.C. Characteristics (when VCCE = 5 V)
Summary of Contents for M32R/ECU Series
Page 17: ...12 This page is blank for reasons of layout...
Page 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Page 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Page 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Page 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Page 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...