Differences between revisions 5 and 6
Revision 5 as of 2006-03-24 21:57:15
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Revision 6 as of 2006-03-27 10:00:49
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Editor: cache2
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||5 ||Unknown || ||5 ||Not available - no physical pin||
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||10 ||Unknown || ||10 ||Not available - no physical pin||

Device

Physical

Virtual

latch1

0x01000000

0xEA000000

latch2

0x08000000

0xEC000000

modem

0x04000000

0xEB000000

The E3 uses 3 HC377 octal d-type flip-flops to create 1 8-bit and 1 16-bit latch. These are write-only.

latch1 (8 bit)

Bit

Function

0

Camera LED

1

Advert LED

2

Email LED

3

Handsfree LED

4

Voicemail LED

5

Voice LED

6

Connected to dockit port. Inverted and at 5v levels

7

Connected to dockit port. Inverted and at 5v levels

latch2 (16 bit)

Bit

Function

0

LCD VBLEN

1

LCD NDISP

2

NAND NCE

3

NAND NRE

4

NAND NWP

5

NAND NWE

6

NAND ALE

7

NAND CLE

8

Mailboard power - provides +5V to mailboard when set

9

Unknown

10

Smartcard?

11

Smartcard? (CMDVCC?)

12

Modem NRESET

13

Modem CODEC

14

Unknown

15

Unknown

There are also 16 bits of GPIO

Bit

Function

0

Mailboard data (inverted)

1

Mailboard clock (inverted)

2

MODEM IRQ

3

dockit

4

Phone hook

5

Not available - no physical pin

6

Smartcard? (NOFF?)

7

Smartcard? (IO?)

8

Smartcard? (AUX1?)

9

Smartcard? (AUX2?)

10

Not available - no physical pin

11

Unknown

12

NAND RB

13

Not available - physical pins used for keypad matrix

14

Not available - physical pins used for keypad matrix

15

Not available - physical pins used for keypad matrix

TheEarthWiki: E3_IO_Ports (last edited 2008-02-19 15:39:12 by localhost)