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N900 Hardware Subsystems

Revision as of 13:54, 10 June 2010 (view source) amigadave (Talk | contribs) (add autofocus for rear camera, flash torch included) ← Older edit		Revision as of 14:01, 10 June 2010 (view source) amigadave (Talk | contribs) (CPU and USB socket already included) Newer edit →
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	{{main|N900 Hardware USB}}		{{main|N900 Hardware USB}}
		+
		+	===USB socket===
		+
		+	{{main|N900 Hardware USB Socket}}
	==User interaction==		==User interaction==
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	|-		|-
	|[[N900 Hardware Touch Screen Controller|Touch Screen Controller]] || tsc 2005 || ||		|[[N900 Hardware Touch Screen Controller|Touch Screen Controller]] || tsc 2005 || ||
-	|-
-	|[[N900 Hardware CPU|CPU]] || OMAP3430 [http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?contentId=14649&navigationId=12643&templateId=6123] (Texas Instruments) || ||
	|-		|-
	|[[N900 Hardware Power management|Power management]] || TWL4030 (Texas Instruments) || ||		|[[N900 Hardware Power management|Power management]] || TWL4030 (Texas Instruments) || ||
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	|-		|-
	|[[N900 Hardware Digital Audio Data Serial Interface|Digital Audio Data Serial Interface]] || TLV320AIC3x || ||		|[[N900 Hardware Digital Audio Data Serial Interface|Digital Audio Data Serial Interface]] || TLV320AIC3x || ||
-	|-
-	|[[N900 Hardware USB|USB]] || Micro USB (data and charging) || [[N900 Hardware USB Socket|socket]] may depend on Build Date ||
	|-		|-
	|}		|}

---

Revision as of 14:01, 10 June 2010

There are many interacting hardware subsystems in the N900.

These can be split roughly into several areas.

Contents 1 Audio 1.1 Software 1.2 Main Speakers 1.3 Earpiece 1.4 Headset 1.5 Composite out 1.6 Bluetooth audio 2 Video 2.1 Display 2.1.1 Built in LCD 2.1.2 Composite out 2.2 Front camera (VGA) 2.3 Rear camera (5MP) 2.3.1 Rear camera autofocus 2.3.2 Rear camera LED flash 2.3.3 Rear camera warning light 2.3.4 Rear camera shutter 3 USB 3.1 USB socket 4 User interaction 4.1 Touchscreen 4.2 Accelerometer 4.3 Switches 4.3.1 Lock Switch 4.3.2 Headset Switch 4.3.3 Jack Switch 4.3.4 Camera Button 4.3.5 Power Button 4.3.6 Volume control 4.3.7 Rear cover presence switch 4.3.8 Camera cover 4.4 Keyboard 4.4.1 Keyboard Slide 4.5 Proximity sensor 4.6 Ambient Light Meter 5 Power management 5.1 Battery 5.1.1 Charge meter 5.2 Battery Charger 5.3 Gaia 5.4 CPU 6 Phone 6.1 GPS 6.2 2G/3G phone module 6.3 SIM 7 Local Network 7.1 Bluetooth 7.2 Wifi 7.3 USB Networking 8 Computing 8.1 CPU 8.1.1 Many functional blocks of the CPU 8.1.2 Chipset 8.2 Memory 8.2.1 Flash Memory 8.2.1.1 Internal 32GB eMMC 8.2.1.2 Internal 'OneNand' 256MB 8.2.1.3 External microSD card 8.2.2 RAM 9 Other hardware (needs merging into heirarchy above)

Audio

Software

Most of the audio on the N900 is handled by gstreamer and PulseAudio. See the API documentation on sound

Main Speakers

Earpiece

Headset

Composite out

Bluetooth audio

Video

Display

Built in LCD

Composite out

Front camera (VGA)

Rear camera (5MP)

Rear camera autofocus

Rear camera LED flash

Rear camera warning light

Rear camera shutter

USB

USB socket

User interaction

Touchscreen

Accelerometer

Switches

Lock Switch

Headset Switch

Jack Switch

Camera Button

Power Button

Volume control

Rear cover presence switch

Camera cover

Keyboard

Keyboard Slide

Proximity sensor

Ambient Light Meter

Power management

Battery

Charge meter

Battery Charger

Gaia

CPU

Phone

GPS

2G/3G phone module

SIM

Local Network

Bluetooth

Wifi

USB Networking

Computing

CPU

Many functional blocks of the CPU

Chipset

Memory

Flash Memory

Internal 32GB eMMC

Internal 'OneNand' 256MB

External microSD card

RAM

Other hardware (needs merging into heirarchy above)

(Click on device for wiki page with more information)

Device	Model (Manufacturer)	Description	Driver
LCD Panel	ACX565AKM (Sony)
LED Controller	LP5523
GPU	SGX 530 (Imagination Technologies)
Touch Screen Controller	tsc 2005
Power management	TWL4030 (Texas Instruments)
Battery status	BQ27200 (Texas Instruments)	[1]
Bluetooth	BCM2048 [2] (Broadcom)
FM Radio Transmitter	Si4713 (Silicon Labs)	[3]
Headphone Amplifier	TPA6130a2 (Texas Instruments)
Digital Audio Data Serial Interface	TLV320AIC3x

For those wanting to hack on the hardware drivers, the Maemo Kernel source code can be downloaded here:

http://repository.maemo.org/pool/fremantle/free/k/kernel/