Differences between revisions 3 and 4
Revision 3 as of 2006-03-24 09:51:15
Size: 1689
Comment: Add some further port info.
Revision 4 as of 2006-03-24 16:57:44
Size: 1734
Editor: 82-32-52-58
Comment:
Deletions are marked like this. Additions are marked like this.
Line 32: Line 32:
||8 ||Mailboard? || ||8 ||Mailboard power - provides +5V to mailboard when set||
Line 44: Line 44:
||0 ||Mailboard? (inverted?) ||
||1 ||Mailboard?            ||
||0 ||Mailboard data (inverted) ||
||1 ||Mailboard clock (inverted)||

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

Unknown

6

Smartcard? (NOFF?)

7

Smartcard? (IO?)

8

Unknown

9

Unknown

10

Unknown

11

Unknown

12

NAND RB

13

Unknown

14

Unknown

15

Unknown

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