參數(shù)資料
型號： 87C550
廠商： NXP Semiconductors N.V.
英文描述： 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
中文描述： 80C51的8位單片機(jī)系列4K/128檢察官辦公室/光盤/無ROM，8通道8位A / D，看門狗定時(shí)器
文件頁數(shù)： 24/28頁
文件大小： 190K
代理商： 87C550
Philips Semiconductors
Product specification
80C550/83C550/87C550
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
1998 May 01
24
EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS
T
amb
= 21
°
C to +27
°
C, V
CC
= 5V
±
10%, V
SS
= 0V (See Figure 20)
SYMBOL
PARAMETER
MIN
MAX
UNIT
V
PP
I
PP
1/t
CLCL
t
AVGL
t
GHAX
t
DVGL
t
GHDX
t
EHSH
t
SHGL
t
GHSL
t
GLGH
t
AVQV
t
ELQZ
t
EHQZ
t
GHGL
Programming supply voltage
12.5
13.0
V
Programming supply current
50
mA
Oscillator frequency
4
6
MHz
Address setup to PROG low
48t
CLCL
48t
CLCL
48t
CLCL
48t
CLCL
48t
CLCL
10
Address hold after PROG
Data setup to PROG low
Data hold after PROG
P2.7 (ENABLE) high to V
PP
V
PP
setup to PROG low
V
PP
hold after PROG
PROG width
μ
s
μ
s
μ
s
10
90
110
Address to data valid
48t
CLCL
48t
CLCL
48t
CLCL
ENABLE low to data valid
Data float after ENABLE
0
PROG high to PROG low
10
μ
s
PROGRAMMING
*
VERIFICATION
*
ADDRESS
ADDRESS
DATA IN
DATA OUT
LOGIC 1
LOGIC 1
LOGIC 0
t
AVQV
t
EHQZ
t
ELQV
t
EHSH
t
SHGL
t
GHSL
t
GLGH
t
GHGL
t
AVGL
t
GHAX
t
DVGL
t
GHDX
P3.0–P3.7
P2.0–P2.4
PORT 0
ALE/PROG
EA/V
PP
P2.7
ENABLE
SU00207
NOTE:
*
FOR PROGRAMMING VERIFICATION, SEE FIGURE 17.
FOR VERIFICATION CONDITIONS, SEE FIGURE 19.
Figure 20. EPROM Programming and Verification
相關(guān)PDF資料
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