WB-IMX233-CORE/en: различия между версиями
(Новая страница: «*processor Freescale i.MX233 - ARM926J 454Mhz *64 MB RAM *microSD slot *SPI, I2С, UART, GPIO, JTAG») |
Matveevrj (обсуждение | вклад) |
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(не показано 10 промежуточных версий 1 участника) | |||
Строка 9: | Строка 9: | ||
== | == Differences from [[IMX233-OLinuXino-MICRO/en|IMX233-OLinuXino-MICRO]] == | ||
* | * revision C3 uses SAMSUNG K4H511638J-LCCC memory. The memory operates in the mode CL=2.5@133Mhz, | ||
that requires modification of The u-boot loader. Modified u-boot: https://github.com/contactless/wirenboard/blob/master/contrib/u-boot/u-boot.sb.cl25 | |||
* | * revision C3-H uses Hynix memory, the settings are above | ||
* | * revision C3-A uses Alliance memory, u-boot: https://github.com/contactless/wirenboard/blob/master/contrib/u-boot/u-boot.sb.new.cl25.pwr1 | ||
== | == Outputs description == | ||
https://docs.google.com/a/ | https://docs.google.com/a/wirenboard.com/spreadsheet/ccc?key=0ApJzZbZwX0AvdHAwR2JYUWozY2o4a0FvVjJiekQzc0E#gid=0 | ||
See also [[IMX233-OLinuXino-MICRO/en|IMX233-OLinuXino-MICRO]]. | |||
== | == Pins used by the bootloader == | ||
The following pins must have a specific state at boot time: | |||
Строка 46: | Строка 46: | ||
== | == Source files == | ||
Distributed under the terms of the CC BY-SA 3.0 US license [https://creativecommons.org/licenses/by-sa/3.0/us/ CC BY-SA 3.0 US] | |||
https://github.com/contactless/hardware/tree/master/WB-IMX233-CORE | https://github.com/contactless/hardware/tree/master/WB-IMX233-CORE |
Текущая версия на 17:42, 7 декабря 2023
WB-IMX233-CORE is a processor module. Made on the basis of IMX233-OLinuXino-MICRO design with minor changes
- processor Freescale i.MX233 - ARM926J 454Mhz
- 64 MB RAM
- microSD slot
- SPI, I2С, UART, GPIO, JTAG
Differences from IMX233-OLinuXino-MICRO
- revision C3 uses SAMSUNG K4H511638J-LCCC memory. The memory operates in the mode CL=2.5@133Mhz,
that requires modification of The u-boot loader. Modified u-boot: https://github.com/contactless/wirenboard/blob/master/contrib/u-boot/u-boot.sb.cl25
- revision C3-H uses Hynix memory, the settings are above
- revision C3-A uses Alliance memory, u-boot: https://github.com/contactless/wirenboard/blob/master/contrib/u-boot/u-boot.sb.new.cl25.pwr1
Outputs description
See also IMX233-OLinuXino-MICRO.
Pins used by the bootloader
The following pins must have a specific state at boot time:
Name | position | GPIO | state | pull-up/pull-down |
LCD_D03 | 6@CON1 | 35 | high | 3k3 up |
LCD_D02 | 5@CON1 | 34 | low | 22k down |
LCD_D01 | 4@CON1 | 33 | low | 22k down |
LCD_D00 | 3@CON1 | 32 | high | 3k3 up |
LCD_RS | 27@CON1 | 51 | high | 47k up |
Source files
Distributed under the terms of the CC BY-SA 3.0 US license CC BY-SA 3.0 US
https://github.com/contactless/hardware/tree/master/WB-IMX233-CORE