参数资料
型号: R5F6420ELFB
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 68/98页
文件大小: 677K
代理商: R5F6420ELFB
REJ03B0236-0050 Rev.0.50 Jul 31, 2008
Page 70 of 96
Under development
Preliminary Specification
This is a preliminary specification and is subject to change.
R32C/120 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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