Misc information & utilities
| Filename | Date | Description |
|---|---|---|
 ecp932setup.zip |
03/09/04 | CP932 programmer software update V1.4 (supports LPC920/921/922, LPC930/931/932, LPC933/934/935) |
| 87c654.zip |
10/04/94 | Interactive data book for the 87C654. |
 midiloop.gif |
02/02/94 | GIF of schematic showing example hardware to interface 8051 to MIDI. |
 51to550.exe |
01/29/94 | Self extracting files containing artwork for adapter to allow programming the 87C550 in place of the 87C51 |
| hexutils.zip |
01/12/93 | Hex to bin, bin to hex, and hex to hex conversion, for object file fixes. |
| tutor51.zip |
02/13/90 | TSR help screens with most of the common 8051 device info - handy |
| Peripheral Timing Calculators | MCU Peripheral Timing Calculators help determine the values needed for special function registers such as timer reload values and bus timing settings. |
I²C related files
| Filename | Date | Description |
|---|---|---|
| i2c_528.exe |
04/04/96 | Code for 8xC528 I²C interface. From app note EIE/AN90015. |
| an435a.exe |
09/21/95 | Updated IIC_OS multimaster drivers for microcontrollerswith byte I²C interfaces (552-type). From application note AN435. |
| tv400.exe |
12/14/94 | Software V4.00 for I²C PC printer port adapter (needs board in order to use). |
| i2cbitst.zip |
06/30/94 | I²C bit banged routines for I²C peripherals including the 8591 A/D. |
| mm751b.zip |
11/15/93 | I²C drivers for the 8xC751 and 752. From app note EIE/AN91007. |
| pci2c.zip |
04/14/93 | Software V3.2 for I²C PC printer port adapter (needs board in order to use). NOTE: Does not work on pentium class machines. |
| pci2cbd.zip |
04/14/93 | Schematic of I²C printer port adapter. |
| i2cbits.zip |
04/14/93 | I²C single master code for ANY 8051 type controller. 'Bit bangs' I²C on port pins |
| slv751.zip |
12/03/92 | Slave I²C functions for 8xC751/752 from AN433. |
| i2c_552.exe |
09/16/92 | I²C drivers for 8xC552 with PLM and C, from app note EIE/AN89004. |
| mm751.zip |
07/08/92 | Multimaster I²C code for the 8xC751/752. From app note AN430. |
| i2capp.zip |
05/22/92 | Source code for the app note AN422 on single master I²C with the 8xC751/752. |
| i2cinit.zip |
05/22/92 | Lets 8xC751 do system init of I²C and other devices (via reset pulse). |
| i2cpckb.zip |
01/20/93 | Interfaces a standard PC/AT keyboard to the I²C bus. From AN434. |
| i2c552-c.zip |
05/21/90 | I²C drivers for the 8xC552 with a C language interface. |
| i2c8584.zip |
05/21/90 | Code from app note AN425 using the 8584 I²C to parallel bus i/f with the 80C31. |
| Embedded Systems Academy | Example programs for NXP 8051 and XA derivatives using I²C, CAN and other peripherals. |
Flash ISP files
| Filename | Date | Description |
|---|---|---|
| FlashMagic | 08/19/02 | Programming utility for all NXP ISP Flash microcontroller |
Code examples
| Filename | Date | Description |
|---|---|---|
| Code Generator | 08/09/03 | |
| water.zip |
01/09/98 | Code for an 8xC750 watering controller, which supports 8 independent zones, has a simple user interface, and battery backup. From AN459. Versions with the display in English and French are included. |
 morse.asm |
04/11/95 | Morse code sending routine. |
| keyer.asm |
02/01/95 | Ham Radio Keyer Using the 87C752. |
| ircon.zip |
12/08/94 | Interface to a Sharp infrared sensor that can receive Phillips RC5 IR control codes, and toggle relays. |
| music750.asm |
09/18/94 | "Music box" program for 87C750. Contains reusable code to generate audio tones and do timing. |
| float51.zip |
08/24/94 | Floating point math for the 8051, written by one of Dave Dunfield's customers. |
| canfiles.exe |
08/02/94 | Demo code and documentation for the 82C200 CAN bus controller and 8xC592/8xCE598 micros with integrated CAN controller. |
| 51serial.zip |
07/27/94 | Serial port software examples for the 8051. |
| keys.asm |
07/12/94 | 8xC751 code to scan a keyboard and output to a PC/AT. |
| lcdriver.zip |
05/08/94 | Optrex LCD driver for 87C751. |
| strngout.zip |
04/10/94 | String output routine. |
| dialer.zip |
03/06/94 | 8031 BASED TELEPHONE # PULSE DIALER |
| dtmf.zip |
01/20/94 | 80C31 code to generate DTMF and signalling tones BUSY, RING-BACK, etc. |
| eeprm851.zip |
12/30/93 | EEPROM driver routines for the 8xC851. From app note EIE/AN91009. |
 battchrg.c |
08/02/93 | Source code for a fast battery charger using the 8xC751. From app note AN439. |
| mazemous.zip |
08/02/93 | Source code for an IEEE maze navigating mouse using the 8xC751. From AN443. |
| midi8751.asm |
05/21/93 | Midi sample code. |
| dupuart.zip |
12/03/92 | Duplex software UART code for 751/752 from AN446. |
| autobaud.zip |
12/03/92 | Example of automatic baud rate detection from AN447. |
| bootstrp.zip |
06/04/92 | Hex file Load-and-Go using 8051 UART from AN440. |
| clock.zip |
05/22/92 | Example of real time clock fm Sytronics. |
| prn256k.zip |
05/22/92 | 8xC451 code (from AN417) for a 256K printer buffer. Schematic in data book. |
| rs751.asm |
05/22/92 | Simplex UART routines for the 751 & 752 from AN423. |
| samples.zip |
05/22/92 | Sample 80C552 subroutines fm Sytronics. |
| serial.zip |
05/22/92 | Circular buffer code for standard UART. |
| timeri.zip |
05/22/92 | Examples of Timer I used without I²C on the 8xC751/752. From AN427. |
| demo752.asm |
05/22/92 | Demonstration program for the A/D and PWM features of the 8xC752 from AN428. |
| an429.zip |
05/21/92 | Source for app note on '752 air flow measurement (AN429). |
| math51.zip |
02/12/91 | Multi-byte math routines for the 8051 |
| warmboot.zip |
06/19/90 | How to distinguish warm & cold startup on 80C51 based parts. From AN424. |
| coffey.asm |
02/13/90 | Displays the contents of the S87C752 A/D SFRs. |
| ad1.asm |
07/25/89 | A/D code for the 'C552. |
| Embedded Systems Academy | Example programs for NXP 8051 and XA derivatives using I²C, CAN and other peripherals. |