參數(shù)資料
型號： TMX470R1A64PN
廠商： Texas Instruments, Inc.
英文描述： 16/32-Bit RISC Flash Microcontroller
中文描述： 16/32位RISC閃存微控制器
文件頁數(shù)： 27/46頁
文件大?。?/td> 381K
代理商： TMX470R1A64PN
www.ti.com
A
RST and PORRST timings
TIMING REQUIREMENTS FOR PORRST
(see Figure 8)
V
CCP
/V
CCIO
V
CC
V
CC
V
CCP
/V
CCIO
10
8
6
5
3
7
6
9
V
CCPORH
V
CCIOPORL
V
IL(PORRST)
V
CCIOPORH
7
V
CCIOPORH
V
CCIOPORL
V
CCPORL
V
CC
11
PORRST
V
CCIO
V
CCPORH
V
CCPORL
V
IL
V
IL
V
IL
V
IL
V
IL(PORRST)
TMS470R1A64
16/32-Bit RISC Flash Microcontroller
SPNS099–NOVEMBER 2004
NO.
MIN
MAX
0.6
UNIT
V
V
CCPORL
V
CC
low supply level when PORRST must be active during power up
V
high supply level when PORRST must remain active during power up
and become active during power down
V
CCIO
low supply level when PORRST must be active during power up
V
high supply level when PORRST must remain active during power
up and become active during power down
Low-level input voltage after V
CCIO
> V
CCIOPORH
Low-level input voltage of PORRST before V
CCIO
> V
CCIOPORL
Setup time, PORRST active before V
CCIO
> V
CCIOPORL
during power up
Setup time, V
CCIO
> V
CCIOPORL
before V
CC
> V
CCPORL
Hold time, PORRST active after V
CC
> V
CCPORH
Setup time, PORRST active before V
CC
≤
V
CCPORH
during power down
Hold time, PORRST active after V
CC
> V
CCIOPORH
Hold time, PORRST active after V
CC
< V
CCPORL
Setup time, PORRST active before V
CC
≤
V
CCIOPORH
during power down
Setup time, V
CC
< V
CCPORE
before V
CCIO
< V
CCIOPORL
V
CCPORH
1.5
V
V
CCIOPORL
1.1
V
V
CCIOPORH
2.75
V
V
IL
V
IL(PORRST)
t
su(PORRST)r
t
su(VCCIO)r
t
h(PORRST)r
t
su(PORRST)f
t
h(PORRST)rio
t
h(PORRST)d
t
su(PORRST)fio
t
su(VCCIO)f
0.2 V
CCIO
V
V
ms
ms
ms
ms
ms
ms
ms
ms
0.5
3
5
6
7
8
9
10
11
0
0
1
8
1
0
0
0
Figure 8. PORRST Timing Diagram
27
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