P87C51RD2BA Computer IC Chip 8051 87C Microcontroller IC 8-Bit 33MHz 64KB (64K x 8) OTP 44-PLCC
DESCRIPTION
The devices are Single-Chip 8-Bit Microcontrollers manufactured in an advanced CMOS process and are derivatives of the 80C51 microcontroller family. The instruction set is 100% compatible with the 80C51 instruction set.
The devices support 6-clock/12-clock mode selection by programming an OTP bit (OX2) using parallel programming. In addition, an SFR bit (X2) in the clock control register (CKCON) also selects between 6-clock/12-clock mode.
The devices also have four 8-bit I/O ports, three 16-bit timer/event counters, a multi-source, four-priority-level, nested interrupt structure, an enhanced UART and on-chip oscillator and timing circuits.
The added features of the P87C51RA2/RB2/RC2/RD2 make it a powerful microcontroller for applications that require pulse width modulation, high-speed I/O and up/down counting capabilities such as motor control.
FEATURES
• 80C51 Central Processing Unit – 8 kbytes OTP (87C51RA2) – 16 kbytes OTP (87C51RB2) – 32 kbytes OTP (87C51RC2) – 64 kbytes OTP (87C51RD2) – 512 byte RAM (87C51RA2/RB2/RC2) – 1 kbyte RAM (87C51RD2) – Boolean processor – Fully static operation – Low voltage (2.7 V to 5.5 V at 16 MHz) operation
• 12-clock operation with selectable 6-clock operation (via software or via parallel programmer)
• Memory addressing capability – Up to 64 kbytes ROM and 64 kbytes RAM
• Power control modes: – Clock can be stopped and resumed – Idle mode – Power-down mode
Product Attributes | Select All |
Categories | Integrated Circuits (ICs) |
Embedded - Microcontrollers | |
Manufacturer | NXP USA Inc. |
Series | 87C |
Packaging | Tube |
Part Status | Obsolete |
Core Processor | 8051 |
Core Size | 8-Bit |
Speed | 33MHz |
Connectivity | EBI/EMI, UART/USART |
Peripherals | POR, PWM, WDT |
Number of I/O | 32 |
Program Memory Size | 64KB (64K x 8) |
Program Memory Type | OTP |
EEPROM Size | - |
RAM Size | 1K x 8 |
Voltage - Supply (Vcc/Vdd) | 2.7 V ~ 5.5 V |
Data Converters | - |
Oscillator Type | Internal |
Operating Temperature | 0°C ~ 70°C (TA) |
Package / Case | 44-LCC (J-Lead) |
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