A surprise new KIM-1 clone kit in 2021, the PAL-1. In fact, this is a Micro-KIM clone, which is a KIM-1 clone .. Look and specs are like the Micro-KIM, with some improvements like larger keys and a very affordable price ($70 in January 2021 on Tindie, my kit is on its way now from China). Motherboard, 32K RAM, second 6532 board also on Tindie now, total $60, also on its way in February 2021.
Designer and seller is a software engineer, Liu Ganning, KJXZZ, from Shenzhen, Guangdong, China
From the Tindie description:
First, PAL-1 is a kit, you can assemble it, test it and run it all by yourself —— an unique experience！
The PAL-1 addressing mode is completely implemented in accordance with the design of KIM-1, so it is compatible with most programs developed on KIM-1.
PAL-1 has 2K bytes ROM (complete KIM-1 Monitor), 5K bytes RAM, one 6532 RIOT chip on board, provides two 8-bit bidirectional I/Os, these I/Os are mainly used to support 23-key keyboard input and drive 6 seven-segment LED displays. In addition, PAL-1 also provides RS232 serial port to support terminal operation and 40-pin expansion port for future upgrade.The TTY/RS232 interface and expansion interface pinout uses the design of Rich Dreher and Vince Briel (MicroKIM compatible).
Besides the PAL-1 also a 6 slot motherbaord, a 32K RAM baord and a RIOT board (the second 6532 amking it a complte KIM-1) are available.
The main differences between PAL-1 and KIM-1 are illustrated by the following two figures in the “KIM-1 User Manual”.
PAL-1 absence half I/O and Timer (red) Picture 11
PAL-1 onboard RAM increased to 5K (all green spaces are available) Picture 10
What is included
The PAL-1 Kit includes mainboard PCB, ICs, pre-programmed ROM, passive components, sockets & headers.
Print version BOM, Pinout, Schematic.
What is NOT included
|User Manual PAL-1|
|Bill of Materials|
You will need a 7.5V/1A DC power adapter (5.5*2.5/2.1mm) to power your PAL-1, and a RS232 cable if you want to use the terminal function.
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