參數(shù)資料
型號: P89C669BBD
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 80C51 8-bit microcontroller family with extended memory 96 kB Flash with 2 kB RAM
中文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-389-1, LQFP-44
文件頁數(shù): 23/33頁
文件大小: 827K
代理商: P89C669BBD
Philips Semiconductors
P89C669
80C51 8-bit microcontroller family with extended memory
Product data
Rev. 02 — 13 November 2003
23 of 33
9397 750 12299
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Fig 7.
External data memory write cycle.
tWHQX
tAVWL
tAVWL1
tLLWL
tWHLH
tQVWX
DATA OUT
A0-A7 FROM PCL
INSTR IN
tAVLL
tLLAX
tQVWH
tWLWH
A0-A7
ALE
PORT 0
PORT 2
PSEN
WR
002aaa153
P2.0-P2.7 OR A8-A15
P2.0-P2.7 OR
A8-A15 OR
A16-A22,P2.7
Fig 8.
Shift register mode timing.
tXLXL
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
tQVXH
tXHQX
tXHDV
tXHDX
0
1
2
3
4
5
6
7
8
1
0
2
3
4
5
6
7
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
CLEAR RI
SET TI
SET RI
002aaa155
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