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Unlock MICROCONTROLLER TSC87C51 Software

We can Unlock MICROCONTROLLER TSC87C51 Software, please view the MICROCONTROLLER TSC87C51 features for your reference:

TEMIC’s TSC87C51 is high performance CMOS EPROM version of the 80C51 CMOS single chip 8 bit microcontroller.

The fully static design of the TSC87C51 allows to reduce system power consumption by bringing the clock frequency down to any value, even DC, without loss of data when Unlock MICROCONTROLLER.

The TSC87C51 retains all the features of the 80C51 with some enhancement: 4 K bytes of internal code memory (EPROM); 128 bytes of internal data memory (RAM); 32 I/O lines; two 16 bit timers; a 5-source, 2-level interrupt structure; a full duplex serial port with framing error detection; a power off flag; and an on-chip oscillator if Unlock MICROCONTROLLER.

The TSC87C51 has 2 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 before Unlock MICROCONTROLLER.

The TSC87C51 is manufactured using non volatile SCMOS process which allows it to run up to after Unlock MICROCONTROLLER:

33 MHz with VCC = 5 V ± 10%.

16 MHz with 2.7 V < VCC < 5.5 V.

4 Kbytes of EPROM

G   Improved Quick Pulse programming algorithm

G   Secret ROM by encryption

128 bytes of RAM when Unlock MICROCONTROLLER

64 Kbytes program memory space

64 Kbytes data memory space

32 programmable I/O lines

Two 16 bit timer/counters

Programmable serial port with framing error detection

Power control modes

Two–level interrupt priority

Fully static design

0.8µ SCMOS non volatile process

ONCE Mode

Enhanced Hooks system for emulation purpose

Available temperature ranges:

G commercial

G industrial

Available packages:

PDIP40 (OTP)

PLCC44 (OTP)

PQFP44 (OTP) before Unlock MICROCONTROLLER

CQPJ44 (UV erasable)

CERDIP40 (UV erasable)

Port 2 is an 8 bit bi-directional I/O port with internal pullups. Port 2 pins that have 1’s written to them are pulled high by the internal pullups, and in that state can be used as inputs. As inputs, Port 2 pins that are externally being pulled low will source current (IIL, in the DC parameters section) because of the internal pullups before Unlock MICROCONTROLLER.

Port 2 emits the high-order address byte during fetches from external Program Memory and during accesses to external Data Memory that use 16 bit addresses (MOVX @DPTR). In this application, it uses strong internal pullups when emitting 1’s. During accesses to external Data Memory that use 8 bit addresses (MOVX @Ri), Port 2 emits the contents of the P2 Special Function Register after Unlock MICROCONTROLLER.

Port 2 can sink/source three LS TTL inputs. It can drive CMOS inputs without external pullups. Some Port 2 pins receive the high–order address bits and control signals during EPROM programming and program verification.

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