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參數(shù)資料
| 型號： | P89C536NBAA |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CMOS single-chip 8-bit microcontrollers with FLASH program memory |
| 中文描述： | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, MO-047, SOT-187-2, LCC-44 |
| 文件頁數(shù)： | 23/32頁 |
| 文件大小： | 269K |
| 代理商： | P89C536NBAA |
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Philips Semiconductors
Preliminary specification
89C536/89C538
80C51 8-bit microcontroller family
16K/64K/512 FLASH
1998 Apr 24
23
Table 8. Pin Description
PIN NAME
SYMBOL
FUNCTION
P1.0–P1.7
P2.0–P2.5, P3.4, P3.5
A0–A7
A8–A13, A14–A15
Input Low Order Address Bits
Input High Order Address Bits
P0.0–P0.7
Q0–Q7
Data Input/Output
P3.3
CE
Chip Enable Input
P2.7
OE
Output Enable Input
ALE/WE
WE
Write Enable Pin
EA
V
PP
FTEST3–FTEST0
Program Supply Voltage
P2.6, P3.7, P3.1, P3.0
Flash Test Mode Selection
V
CC
GND
V
CC
GND
Power Supply Voltage (+5V)
Ground Pin
Table 9. Command Definitions
FIRST BUS CYCLE
SECOND BUS CYCLE
COMMAND
BUS CYCLES
OPERATION ADDRESS DATA
OPERATION ADDRESS DATA
Setup auto erase/auto erase (chip)
2
Write
X
30H
Write
X
30H
Setup auto program/program
2
Write
X
40H
Write
PA
PD
Reset
2
Write
X
FFH
Write
X
FFH
NOTES:
PA = Address of memory location to be programmed
PD = Data to be programmed at location
Command Definitions
When low voltage is applied to the V
PP
pin, the contents of the
command register default to 00H. Placing high voltage on the V
PP
pin enables read/write operations. Device operations are selected
by writing specific data patterns into the command register. Table 9
defines these 89C536/538 register commands. Table 10 defines the
bus operations of 89C536/538.
Table 10.
OPERATION
V
PP
(1)
CE
OE
WE
D00–D07
READ/WRITE
Read(2)
V
PPH
V
PPH
V
PPH
V
IL
V
IH
V
IL
V
IL
X
VI
H
X
DATA OUT(3)
Standby(4)
Tri–State
Write
V
IH
V
IL
Data In(5)
NOTES:
1. V
PPH
is the programming voltage specified for the device.
2. Read operation with VPP = V
PPH
may access array data (if write command is preceded) or silicon ID codes.
3. With V
PP
at high voltage, the standby current equals I
CC
+I
PP
(standby).
4. Refer to Table 38 for valid Data–In during a write operation.
5. X can be V
IL
or V
IH
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P89C536NBBB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 16K/64K/512 FLASH |
| P89C538NBAA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 16K/64K/512 FLASH |
| P89C538NBBB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 16K/64K/512 FLASH |
| P89C54BA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K Flash |
| P89C54BBD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|8-BIT|8051 CPU|CMOS|QFP|44PIN|PLASTIC |
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