参数资料
型号: R5F64572JFD
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144
封装: 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件页数: 8/134页
文件大小: 835K
代理商: R5F64572JFD
REJ03B0234-0102 Rev.1.02 Nov 30, 2009
Page 103 of 129
R32C/157 Group
5. Electrical Characteristics
Timing Requirements (VCC = 3.0 to 5.5 V, VSS = 0 V, and Ta =Topr, unless otherwise noted)
Figure 5.5
Flash Memory CPU Rewrite Mode Timing
Table 5.15
Flash Memory CPU Rewrite Mode Timing
Symbol
Characteristics
Value
Unit
Min.
Max.
tcR
Read cycle time
200
ns
tsu(S-R)
Chip-select setup time for read
200
ns
th(R-S)
Chip-select hold time after read
0ns
tsu(A-R)
Address setup time for read
200
ns
th(R-A)
Address hold time after read
0ns
tw(R)
Read pulse width
100
ns
tcW
Write cycle time
200
ns
tsu(S-W)
Chip-select setup time for write
0ns
th(W-S)
Chip-select hold time after write
30
ns
tsu(A-W)
Address setup time for write
0ns
th(W-A)
Address hold time after write
30
ns
tw(W)
Write pulse width
50
ns
CS0
A23 to A0, BC0 to BC3
RD
t h(R-S)
Read cycle
t w(R)
t su(S-R)
t h(R-A)
t su(A-R)
Write cycle
CS0 to CS3
A23 to A0, BC0 to BC3
WR
t h(W-S)
t w(W)
t su(S-W)
t h(W-A)
t su(A-W)
t cW
t cR
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