參數資料
型號: P87C51FC-JB
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 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
中文描述: 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數: 26/34頁
文件大小: 394K
代理商: P87C51FC-JB
2001 Apr 06
26
Philips Semiconductors
Preliminary specification
P87C51MB2/P87C51MC2
80C51 8-bit microcontroller family with extended memory
64KB/96KB OTP with 2KB/3KB RAM
Figure 6: External Data Memory Write Cycle (Extended Memory Cycle)
Figure 7: Shift Register Mode Timing
t
LLWL
t
WLWH
t
WHLH
t
QVWX
t
QVWH
t
LLAX
t
AVLL
t
WHQX
ALE
PSEN
WR
PORT 0
PORT 2
A0-A7
DATA OUT
A8-A15
A0-A7 FROM PCL
INSTR IN
A16-A22,P2.7
t
AVWL1
0
1
2
3
4
5
6
7
8
0
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
1
2
3
4
5
6
7
OUTPUT DATA
INPUT DATA
WRITE TO SBUF
CLEAR RI
ALE
CLOCK
t
XHDV
t
QVXH
t
XHQX
SET TI
SET RI
t
XLXL
INSTRUCTION
t
XHDX
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P87C51GA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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