參數(shù)資料
型號: MSC1214Y4PAGR
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數(shù): 16/111頁
文件大小: 1102K
代理商: MSC1214Y4PAGR
MSC1211, MSC1212
MSC1213,MSC1214
SBAS323G JUNE 2004 REVISED OCTOBER 2007
www.ti.com
12
RESET AND POWER-ON TIMING
t
RW
t
RS
t
RH
t
RFD
tRFD
RST
PSEN
ALE
NOTE: PSEN and ALE are internally pulled up with ~9k
during RST high.
EA
t
RRD
t
RRD
Figure 5. Reset Timing, User Application Mode
t
RFD
PSEN
ALE
NOTE: PSEN and ALE are internally pulled up with ~9k
during RST high.
t
RW
RST
t
RS
t
RH
t
RRD
t
RRD
Figure 6. Parallel Flash Programming Power-On Timing (EA is ignored)
t
RFD
PSEN
ALE
NOTE: PSEN and ALE are internally pulled up with ~9k
during RST high.
t
RW
RST
t
RS
t
RH
t
RRD
t
RRD
Figure 7. Serial Flash Programming Power-On Timing (EA is ignored)
Table 1. Serial/Parallel Flash Programming Timing
SYMBOL
PARAMETER
MIN
MAX
UNIT
tRW
RST width
2tOSC
tRRD
RST rise to PSEN ALE internal pull high
5
s
tRFD
RST falling to PSEN and ALE start
(217 + 512)tOSC
tRS
Input signal to RST falling setup time
tOSC
tRH
RST falling to input signal hold time
(217 + 512)tOSC
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