Products / SPI MasterBus CP
SPI MasterBus CP is an SPI bus controller (Serial Peripheral Interface) designed for the clock port of the Amiga A1200 computer.
The SPI MasterBus CP controller allows connecting various peripherals designed for the SPI bus. It provides a possibility of extending A1200‘s capabilities with SD card readers, RTC modules, ethernet controllers, Flash and EEPROM memories, etc.
Specification
- designed for Amiga A1200’s clock port
- SPI bus clock speed: between 25 MHz and 195 kHz
- CPOL, CPHA support
- SPI Mode 0,1,2,3 support
- full-duplex data transmission
- selection of up to 4 devices with Slave Select lines
- support for Clockport Expander (F, G version)
Drivers
- SD Card
- DS1306 RTC
- standard ClockPort
- Amiga1200 Clockport Expander Rev G with FastPort #3
Old accessories
SPI - Pin Configuration
| Signal | Pin | Description | |
|---|---|---|---|
 | +5V | 1 | Supply Voltage |
| INT | 2 | Interrupt | |
| SS2 | 3 | Slave Select 2 | |
| SS3 | 4 | Slave Select 3 | |
| SS0 | 5 | Slave Select 0 | |
| SS1 | 6 | Slave Select 1 | |
| MOSI | 7 | Master Out Slave In | |
| SCLK | 8 | Clock | |
| GND | 9 | Ground | |
| MISO | 10 | Master In Slave Out | |
| +5V | 15 | Supply Voltage | |
| GND | 16 | Ground | |
| +3.3V | 17 | Supply Voltage | |
| GND | 18 | Ground | |
Schematics
RTC
DS1306
Connecting RTC DS1306 to SPI bus.
SD Card
SD Card
WARNING!!! Remove resistors R1, R2, R3, R4
| SPI MasterBus CP | SD Card - MOD-01507 |
|---|---|
| +5V | 5V |
| INT | |
| SS2 | CS |
| SS3 | |
| SS0 | |
| SS1 | |
| MOSI | MOSI |
| SCLK | SCK |
| GND | GND |
| MISO | MISO |
microSD Card
| SPI MasterBus CP | microSD Card - Pololu #2597 (PLL-02696) |
|---|---|
| +3.3V | VDD |
| INT | |
| SS2 | CS |
| SS3 | |
| SS0 | |
| SS1 | |
| MOSI | DI |
| SCLK | SCLK |
| GND | GND |
| MISO | DO |