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P-80C52 Datasheet Preview

P-80C52 Datasheet

(P-80C32 / P-80C52) CMOS 8-Bit Microcontroller

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80C32/80C52
CMOS 0 to 44 MHz Single Chip 8–bit Microcontroller
1. Description
TEMIC’s 80C52 and 80C32 are high performance
CMOS versions of the 8052/8032 NMOS single chip 8
bit Microcontroller.
The fully static design of the TEMIC 80C52/80C32
allows to reduce system power consumption by bringing
the clock frequency down to any value, even DC,
without loss of data.
The 80C52 retains all the features of the 8052: 8 K bytes
of ROM; 256 bytes of RAM; 32 I/O lines; three 16 bit
timers; a 6-source, 2-level interrupt structure; a full
duplex serial port; and on-chip oscillator and clock
circuits. In addition, the 80C52 has 2
D 80C32: Romless version of the 80C52
D 80C32/80C52-L16: Low power version
VCC: 2.7 – 5.5 V Freq: 0-16 MHz
D 80C32/80C52-12: 0 to 12 MHz
D 80C32/80C52-16: 0 to 16 MHz
D 80C32/80C52-20: 0 to 20 MHz
D 80C32/80C52-25: 0 to 25 MHz
D 80C32/80C52-30: 0 to 30 MHz
D 80C32/80C52-36: 0 to 36 MHz
software-selectable modes of reduced activity for
further reduction in power consumption. In the idle
mode the CPU is frozen while the RAM, the timers, the
serial port and the interrupt system continue to function.
In the power down mode the RAM is saved and all other
functions are inoperative.
The 80C32 is identical to the 80C52 except that it has no
on-chip ROM. TEMIC’s 80C52/80C32 are
manufactured using SCMOS process which allows them
to run from 0 up to 44 MHz with VCC = 5 V.
TEMIC’s 80C52 and 80C32 are also available at
16 MHz with 2.7 V < VCC < 5.5 V.
D 80C32-40: 0 to 40 MHz(1)
D 80C32-42: 0 to 42 MHz(1)
D 80C32-44: 0 to 44 MHz(1)
Notes:
1. 0 to 70_C temperature range.
2. For other speed and temperature range availability, please
contact your sales office.
2. Features
D Power control modes
D 256 bytes of RAM
D 8 Kbytes of ROM (80C52)
D 32 programmable I/O lines
D Three 16 bit timer/counters
D 64 K program memory space
D 64 K data memory space
D Fully static design
D 0.8µ CMOS process
D Boolean processor
D 6 interrupt sources
D Programmable serial port
D Temperature range: commercial, industrial, automotive,
military
3. Optional
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D Secret ROM: Encryption
D Secret TAG: Identification number
Rev. I September 18, 1998
1



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P-80C52 Datasheet Preview

P-80C52 Datasheet

(P-80C32 / P-80C52) CMOS 8-Bit Microcontroller

No Preview Available !

P-80C52 pdf
www.DataSheet4U.com
80C32/80C52
4. Interface
VCC VSS
INT0 INT1
RST
XTAL1
XTAL2
EA
ALE
PSEN
WR
RD
AD0–AD7
A8–A15
Oscillator
&
Timing
CPU
RAM
256 bytes
ROM
8 Kbytes
Interrupt Unit
8–BIT INTERNAL BUS
Parallel I/O Ports
&
External Bus
Serial I/O Port
Timer 0
Timer 1
Timer 2
P0 P1 P2 P3
RxD TxD
T0
Figure 1. Block Diagram
T1 T2 T2EX
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2
Rev. I September 18, 1998


Part Number P-80C52
Description (P-80C32 / P-80C52) CMOS 8-Bit Microcontroller
Maker Temic
Total Page 25 Pages
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