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PDF P87C54X2 Data sheet ( Hoja de datos )

Número de pieza P87C54X2
Descripción 80C51 8-bit microcontroller
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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INTEGRATED CIRCUITS
P80C31X2/32X2
P80C51X2/52X2/54X2/58X2
P87C51X2/52X2/54X2/58X2
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP
128B/256B RAM
low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz)
Product data
Supersedes data of 2002 Sep 12
2003 Jan 24
Philips
Semiconductors

1 page




P87C54X2 pdf
Philips Semiconductors
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
Product data
P80C3xX2; P80C5xX2;
P87C5xX2
PART NUMBER DERIVATION
Memory
P87C51X2
7 = OTP
0 = ROM or
ROMless
5 = ROM/OTP
3 = ROMless
1 = 128 BYTES RAM
4 KBYTES ROM/OTP
2 = 256 BYTES RAM
8 KBYTES ROM/OTP
4 = 256 BYTES RAM
16 KBYTES ROM/OTP
8 = 256 BYTES RAM
32 KBYTES ROM/OTP
X2 = 6-clock
mode available
Temperature Range
B = 0 °C TO +70 °C
F = –40 °C TO +85 °C
Package
A = PLCC
N = DIP
BD = LQFP
DH = TSSOP
The following table illustrates the correlation between operating mode, power supply and maximum external clock frequency:
Operating Mode
Power Supply
Maximum Clock Frequency
6-clock
5 V ± 10%
30 MHz
6-clock
2.7 V to 5.5 V
16 MHz
12-clock
5 V ± 10%
33 MHz
12-clock
2.7 V to 5.5 V
16 MHz
2003 Jan 24
5

5 Page





P87C54X2 arduino
Philips Semiconductors
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
Product data
P80C3xX2; P80C5xX2;
P87C5xX2
PIN NUMBER
MNEMONIC DIP PLCC LQFP TSSOP TYPE NAME AND FUNCTION
PSEN
29 32
26
18
O Program Store Enable: The read strobe to external program memory. When the
device is executing code from the external program memory, PSEN is activated
twice each machine cycle, except that two PSEN activations are skipped during
each access to external data memory. PSEN is not activated during fetches from
internal program memory.
EA/VPP
31 35
29
20
I External Access Enable/Programming Supply Voltage: EA must be externally held low to enable
the device to fetch code from external program memory locations 0000H to
0FFFH/1FFFH/3FFFH/7FFFH. If EA is held high, the device executes from internal program memory
unless the program counter contains an address greater than the on-chip ROM/OTP. This pin also
receives the 12.75 V programming supply voltage (VPP) during EPROM programming. If security bit
1 is programmed, EA will be internally latched on Reset.
XTAL1
19 21
15
8
I Crystal 1: Input to the inverting oscillator amplifier and input to the internal clock
generator circuits.
XTAL2
18 20
14
7
O Crystal 2: Output from the inverting oscillator amplifier.
NOTES:
To avoid “latch-up” effect at power-on, the voltage on any pin at any time must not be higher than VCC + 0.5 V or VSS – 0.5 V, respectively.
1. Absent in the TSSOP38 package.
2003 Jan 24
11

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