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
required for many other open source projects:
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
are all routed as differential pairs and have pinout that
is PMOD compatible.
onboard FM/ASK antenna 88-433.92 MHz and 56 GPIO pins routed as differential
pairs and have pinout that is PMOD compatible. There are 12 true
differential bidirectional pairs and 16 single-ended pairs.
ULX3S is sufficiently equipped to
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)
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
RAM: 32MB SDRAM [MT48LC16M16](https://www.micron.com/~/media/Documents/Products/Data%20Sheet/DRAM/256Mb_sdr.pdf)

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