NP2300+ Hardware

Overview

Hardware	Part number	Features
CPU	Ingenic JZ4755 PM DS	384MHz JzRISC mips32 R1 (mipsel)
SDRAM	Unknown	64MiB
NAND	Unknown	8GiB emulated as MMC on MSC0 interface through controller chip
LCD	Unknown	800x480 16-bit RGB565 mode

Interfaces

Interface	Availability	Comment
UART	UART1	115200bps, 8n1
JTAG	?
Boot select	?

Dedicated buttons GPIO

GPIO	Button
PE0	HOME
PE4	UP
PE7	DOWN
PE5	ENTER
PE12	RIGHT
PE13	ESC
PE22	LEFT
PE30	POWER
PD26	VOL+
PD27	VOL-

GPIO usage

GPIO configurations collected while running in QEMU.

GPIO port A

2026-05-08T23:27:37.100392Z ingenic_gpio_config PA im=0xffffffff fun=0xffffffff sel=0x00000000 dir=0x00000000
2026-05-08T23:27:37.100394Z ingenic_gpio_status PA in=0xffffffff out=0x00000000 flg=0x00000000

GPIO port B

2026-05-08T23:27:37.425778Z ingenic_gpio_config PB im=0xffffffff fun=0xffffffff sel=0xfc000000 dir=0x00000000
2026-05-08T23:27:37.425780Z ingenic_gpio_status PB in=0xffffffff out=0x00000000 flg=0x00000000

GPIO port C

2026-05-08T23:27:37.168158Z ingenic_gpio_config PC im=0xffffffff fun=0x38230000 sel=0x30020000 dir=0x00000000
2026-05-08T23:27:37.168161Z ingenic_gpio_status PC in=0x7fffffff out=0x00000000 flg=0x00000000

Pin	Mode	Function
31	GPIO	BOOT_SEL1: 0: MSC0, 1: NAND

GPIO port D

2026-05-08T23:27:37.170092Z ingenic_gpio_config PD im=0xffffffff fun=0x003cffff sel=0x00000000 dir=0x003cffff
2026-05-08T23:27:37.170094Z ingenic_gpio_status PD in=0xffffffff out=0x00000000 flg=0x00000000

Pin	Mode	Function
27	GPIO	VOL- button, 0: pressed
26	GPIO	VOL+ button, 0: pressed

GPIO port E

2026-05-08T23:27:37.425636Z ingenic_gpio_config PE im=0xffffffff fun=0x02800000 sel=0x42800000 dir=0x00040a48
2026-05-08T23:27:37.425640Z ingenic_gpio_status PE in=0xffffefff out=0x40040100 flg=0x00000000

Pin	Mode	Function
30	INT	WKUP: POWER button, 0: pressed
22	GPIO	LEFT button, 0: pressed
13	GPIO	ESC button, 0: pressed
12	GPIO	RIGHT button, 0: pressed
8	GPIO	1: charger & USB connected
7	GPIO	DOWN button, 0: pressed
5	GPIO	ENTER button, 0: pressed
4	GPIO	UP button, 0: pressed
2	GPIO	1: charging done
1	GPIO	1: MSC1 SD card inserted
0	GPIO	HOME button, 0: pressed

GPIO port F

2026-05-08T23:27:37.167567Z ingenic_gpio_config PF im=0xffffffff fun=0x00000800 sel=0x00000800 dir=0x00001800
2026-05-08T23:27:37.167569Z ingenic_gpio_status PF in=0xffffffff out=0x00001000 flg=0x00000000