參數(shù)資料
型號(hào): 87C552
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O
中文描述: 8-BIT, OTPROM, MICROCONTROLLER
文件頁數(shù): 14/24頁
文件大?。?/td> 193K
代理商: 87C552
Philips Semiconductors
Product specification
87C552
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
2
C, PWM, capture/compare, high I/O
1998 May 01
14
t
LLAX
ALE
PSEN
PORT 0
PORT 2
WR
A0–A7
FROM RI OR DPL
DATA OUT
A0–A7 FROM PCL
INSTR IN
P2.0–P2.7 OR A8–A15 FROM DPH
A8–A15 FROM PCH
t
WHLH
t
LLWL
t
WLWH
t
AVLL
t
AVWL
t
QVWX
t
WHQX
t
DW
SU00213
Figure 4. External Data Memory Write Cycle
0.8V
t
LOW
t
HIGH
V
IH1
V
IH1
0.8V
t
CLCL
t
r
t
f
V
IH1
0.8V
V
IH1
0.8V
SU00214
Figure 5. External Clock Drive XTAL1
0
1
2
3
4
5
6
7
8
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
CLEAR RI
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
SET TI
SET RI
t
XLXL
t
QVXH
t
XHQX
t
XHDX
t
XHDV
SU00027
1
2
3
0
4
5
6
7
Figure 6. Shift Register Mode Timing
相關(guān)PDF資料
PDF描述
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87C554 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP
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