參數(shù)資料
型號(hào): 935260531512
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 54/67頁
文件大小: 400K
代理商: 935260531512
1998 Apr 07
58
Philips Semiconductors
Product specication
8-bit Flash microcontrollers
P89C738; P89C739
21.2
Timing waveforms
Fig.33 External program memory read cycle.
handbook, full pagewidth
MGK206
ALE
PORT 0
PORT 2
tLLAX
tLLPL
tLHLL
tPLPH
tAVLL
A8 to A15
A0 to A15
A0 to A7
instr in
A0 to A7
PSEN
tAVIV
tLLIV
tPLIV
tPXIZ
tPLAZ
tPXIX
Fig.34 External data memory read cycle.
handbook, full pagewidth
MGK207
ALE
PORT 0
PORT 2
tLLAX
tAVLL
P2.0 to P2.7 or A8 to A15 from DPH
A0 to A15 from PCH
data in
A0 to A7
from RI or DPL
instr in
A0 to A7 from PCL
PSEN
tWHLH
tRLAZ
tLLDV
tAVWL
tAVDV
tLLWL
tRLRH
tRLDV
tRHDZ
tRHDX
RD
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