readme update

pull/3/head
Emard 6 years ago
parent 2e8b67f96d
commit de293c888d

@ -44,9 +44,9 @@ battery backed RTC.
ULX3S has rich range of chips and connectivity ULX3S has rich range of chips and connectivity
required for many other open source projects: required for many other open source projects:
SDRAM, USB, PS/2, SDCARD, Digital Video, FLASH, RTC, I2C, OLED, AUDIO, ADC, SDRAM, USB, PS/2, SDCARD, Digital Video, FLASH, RTC, I2C, OLED, AUDIO, ADC,
onboard FM/ASK antenna 88-433.92 MHz and 56 GPIO pins which onboard FM/ASK antenna 88-433.92 MHz and 56 GPIO pins routed as differential
are all routed as differential pairs and have pinout that pairs and have pinout that is PMOD compatible. There are 12 true
is PMOD compatible. differential bidirectional pairs and 16 single-ended pairs.
ULX3S is sufficiently equipped to ULX3S is sufficiently equipped to
emulate [Amiga](https://github.com/emard/Minimig_ECS) retro emulate [Amiga](https://github.com/emard/Minimig_ECS) retro
@ -68,7 +68,7 @@ FPGA: Lattice ECP5 [LFE5U-85F-6BG381C](http://www.latticesemi.com/~/media/Lattic
USB: FTDI [FT231XS](https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT231X.pdf) (500kbit JTAG and 3Mbit USB-serial) USB: FTDI [FT231XS](https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT231X.pdf) (500kbit JTAG and 3Mbit USB-serial)
GPIO: 56 pins (28 differential pairs), [PMOD](https://reference.digilentinc.com/_media/pmod:pmod:originalPmodInterfaceSpecification.pdf)-friendly GPIO: 56 pins (12 true differential pairs, 16 single-ended pairs), [PMOD](https://reference.digilentinc.com/_media/pmod:pmod:originalPmodInterfaceSpecification.pdf)-friendly
with power out 3.3V/1A 2.5V/1.5A with power out 3.3V/1A 2.5V/1.5A
RAM: 32MB SDRAM [MT48LC16M16](https://www.micron.com/~/media/Documents/Products/Data%20Sheet/DRAM/256Mb_sdr.pdf) RAM: 32MB SDRAM [MT48LC16M16](https://www.micron.com/~/media/Documents/Products/Data%20Sheet/DRAM/256Mb_sdr.pdf)

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