Project HP F4480 Pen Controller - Revision history

Ezrec: /* Suspected Pinout */

2014-10-30T03:12:23Z

Suspected Pinout

← Older revision		Revision as of 03:12, 30 October 2014
Line 14:		Line 14:
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! Pin !! Voltages !! Dir !! Name !! Comment		! Pin !! Voltages !! Dir !! Name !! Disconnect !! Comment
	\|-		\|-
	\| 1 \|\| 0.0v \|\| Out \|\| ENC_A \|\| Encoder A Output		\| 1 \|\| 0.0v \|\| Out \|\| ENC_A \|\| No head movement \|\| Encoder A Output
	\|-		\|-
	\| 2 \|\| 0.0v \|\| Out \|\| ENC_B \|\| Encoder B Output		\| 2 \|\| 0.0v \|\| Out \|\| ENC_B \|\| No head movement \|\| Encoder B Output
	\|-		\|-
	\| 3 \|\| 0.0v \|\| Gnd \|\| GND \|\| Ground		\| 3 \|\| 0.0v \|\| Gnd \|\| GND \|\| No change \|\| Ground
	\|-		\|-
	\| 4 \|\| 1.6v \|\| In \|\| \|\| CYM Ink Control		\| 4 \|\| 1.6v \|\| In \|\| #CYM_D0 \|\| CYM ink fires constantly \|\| CYM Ink Control
	\|-		\|-
	\| 5 \|\| 0.0v / 0.9v / 1.1v \|\| In \|\| \|\| CYM Ink Control		\| 5 \|\| 0.0v / 0.9v / 1.1v \|\| In \|\| #CYM_D1 \|\| CYM ink firess constantly \|\| CYM Ink Control
	\|-		\|-
	\| 6 \|\| 0.0v \|\| Gnd \|\| GND \|\| Ground		\| 6 \|\| 0.0v \|\| Gnd \|\| GND \|\| No effect \|\| Ground
	\|-		\|-
	\| 7 \|\| 0.0v / 1.5v \|\| ? \|\| \|\| ~~Disconnect -~~ No effect		\| 7 \|\| 0.0v / 1.5v \|\| ? \|\| \|\| No effect \|\|
	\|-		\|-
	\| 8 \|\| 0.0v / 1.5v \|\| ? \|\| \|\| ~~Disconnect -~~ Immediate stop of printing		\| 8 \|\| 0.0v / 1.5v \|\| ? \|\| \|\| Immediate stop of printing \|\|
	\|-		\|-
	\| 9 \|\| 0.0v \|\| Gnd \|\| GND \|\| Ground		\| 9 \|\| 0.0v \|\| Gnd \|\| GND \|\| None \|\| Ground
	\|-		\|-
	\| 10 \|\| 1.6v \|\| In \|\| #~~BK_DATA~~ \|\| Black Ink Control (Looks like data, I guess)		\| 10 \|\| 1.6v \|\| In \|\| #BK_D0 \|\| Black ink fires constantly \|\| Black Ink Control (Looks like data, I guess)
	\|-		\|-
	\| 11 \|\| 1.1v / 0.9v / 0.0v \|\| #~~BK_EN~~ \|\| \|\| Black Ink Control (110us off, 1.6us on)		\| 11 \|\| 1.1v / 0.9v / 0.0v \|\| In \|\| #BK_D1 \|\| Black ink fires constantly \|\| Black Ink Control (110us off, 1.6us on)
	\|-		\|-
	\| 12 \|\| 0.0v \|\| Ground \|\| GND \|\| Ground		\| 12 \|\| 0.0v \|\| Ground \|\| GND \|\| None \|\| Ground
	\|-		\|-
	\| 13 \|\| LVCMOS3.3 \|\| Out \|\| INK \|\| Ink ~~eject~~ (1.5us pulse)		\| 13 \|\| LVCMOS3.3 \|\| Out \|\| INK \|\| No ink fires \|\| Ink fire timing control (1.5us pulse)
	\|-		\|-
	\| 14 \|\| LVCMOS3.3 \|\| In/Out \|\| IO_DATA \|\| ~~Disconnect -~~ immediate stop of print, E - Ink		\| 14 \|\| LVCMOS3.3 \|\| In/Out \|\| IO_DATA \|\| immediate stop of print, E - Ink \|\| ASIC Data
	\|-		\|-
	\| 15 \|\| 3.3v \|\| Vcc \|\| VCC \|\| 3.3v for logic		\| 15 \|\| 3.3v \|\| Vcc \|\| VCC \|\| immediate stop of print, E - Ink \|\| 3.3v for logic
	\|-		\|-
	\| 16 \|\| LVCMOS3.3 \|\| Out \|\| IO_CLK \|\| ~~Disconnect -~~ immediate stop of print, no error		\| 16 \|\| LVCMOS3.3 \|\| Out \|\| IO_CLK \|\| immediate stop of print, no error \|\| ASIC Clock
	\|-		\|-
	\| 17 \|\| 16v \|\| In \|\| VINK \|\| Voltage for ink jet		\| 17 \|\| 16v \|\| In \|\| VINK \|\| \|\| Voltage for ink jet
	\|-		\|-
	\| 18 \|\| 16v \|\| In \|\| VINK \|\| Voltage for ink jets		\| 18 \|\| 16v \|\| In \|\| VINK \|\| \|\| Voltage for ink jets
	\|-		\|-
	\| 19 \|\| 16v \|\| In \|\| VINK \|\| Voltage for ink jets		\| 19 \|\| 16v \|\| In \|\| VINK \|\| \|\| Voltage for ink jets
	\|-		\|-
	\| 20 \|\| 16v \|\| In \|\| VINK \|\| Voltage for ink jets		\| 20 \|\| 16v \|\| In \|\| VINK \|\| \|\| Voltage for ink jets
	\|}		\|}

Ezrec at 03:04, 30 October 2014

2014-10-30T03:04:06Z

← Older revision		Revision as of 03:04, 30 October 2014
Line 3:		Line 3:
	This page documents my investigations into the wire protocols of the HP F4480 Pen Controller.		This page documents my investigations into the wire protocols of the HP F4480 Pen Controller.

	[[File:HP CB8605-60085 Printer Carriage Pinout.jpg~~\|500px~~\|HP CB8605-60085 Printer Carriage Pinout]]		<gallery>
			File:HP CB8605-60085 Printer Carriage Pinout.jpg\|HP CB8605-60085 Printer Carriage Pinout
			File:HP F4480 Breakout Cable.jpg\|HP F4480 Breakout Cable
			</gallery>

			== Suspected Pinout ==

	The nominal voltages recorded on the flex cable are in the following table, along with the disconnect results from my breakout cable:		The nominal voltages recorded on the flex cable are in the following table, along with the disconnect results from my breakout cable:

	~~[[File:HP F4480 Breakout Cable.jpg\|500px\|HP F4480 Breakout Cable]]~~

	~~== Suspected Pinout ==~~

	{\| class="wikitable"		{\| class="wikitable"

Ezrec: /* HP F4480 Pen Controller */

2014-10-30T03:02:38Z

HP F4480 Pen Controller

← Older revision		Revision as of 03:02, 30 October 2014
Line 8:		Line 8:

	[[File:HP F4480 Breakout Cable.jpg\|500px\|HP F4480 Breakout Cable]]		[[File:HP F4480 Breakout Cable.jpg\|500px\|HP F4480 Breakout Cable]]

			== Suspected Pinout ==

	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! Pin !! Voltages !! Dir !! Name !! Comment		! Pin !! Voltages !! Dir !! Name !! Comment
	\|-
	\|-		\|-
	\| 1 \|\| 0.0v \|\| Out \|\| ENC_A \|\| Encoder A Output		\| 1 \|\| 0.0v \|\| Out \|\| ENC_A \|\| Encoder A Output
Line 56:		Line 57:

	NOTE: IO_DATA appears to update for sampling on both positive and negative edges of IO_CLK, IO_CLK is 4Mhz, and nominally low when idle.		NOTE: IO_DATA appears to update for sampling on both positive and negative edges of IO_CLK, IO_CLK is 4Mhz, and nominally low when idle.

			<gallery>
			File:HP-F4480-Pen-Controller-Pin-10.jpg\|Pin 10 Waveforms
			File:HP-F4480-Pen-Controller-Pin-11.jpg\|Pin 11 Waveforms
			</gallery>

			I have a tarball of some waveform dumps, in CSV and VCD (GtkWave) formats: [http://www.evillabs.net/BrundleFab/HP-F4480-Pen-Controller.zip HP-F4480-Pen-Controller.zip]

Ezrec: Created page with "== HP F4480 Pen Controller == This page documents my investigations into the wire protocols of the HP F4480 Pen Controller. [[File:HP CB8605-60085 Printer Carriage Pinout.jp..."

2014-10-30T02:52:01Z

Created page with "== HP F4480 Pen Controller == This page documents my investigations into the wire protocols of the HP F4480 Pen Controller. [[File:HP CB8605-60085 Printer Carriage Pinout.jp..."

New page

== HP F4480 Pen Controller ==

This page documents my investigations into the wire protocols of the HP F4480 Pen Controller.

[[File:HP CB8605-60085 Printer Carriage Pinout.jpg|500px|HP CB8605-60085 Printer Carriage Pinout]]

The nominal voltages recorded on the flex cable are in the following table, along with the disconnect results from my breakout cable:

[[File:HP F4480 Breakout Cable.jpg|500px|HP F4480 Breakout Cable]]

{| class="wikitable"
|-
! Pin !! Voltages !! Dir !! Name !! Comment
|-
|-
| 1 || 0.0v || Out || ENC_A || Encoder A Output
|-
| 2 || 0.0v || Out || ENC_B || Encoder B Output
|-
| 3 || 0.0v || Gnd || GND || Ground
|-
| 4 || 1.6v || In || || CYM Ink Control
|-
| 5 || 0.0v / 0.9v / 1.1v || In || || CYM Ink Control
|-
| 6 || 0.0v || Gnd || GND || Ground
|-
| 7 || 0.0v / 1.5v || ? || || Disconnect - No effect
|-
| 8 || 0.0v / 1.5v || ? || || Disconnect - Immediate stop of printing
|-
| 9 || 0.0v || Gnd || GND || Ground
|-
| 10 || 1.6v || In || #BK_DATA || Black Ink Control (Looks like data, I guess)
|-
| 11 || 1.1v / 0.9v / 0.0v || #BK_EN || || Black Ink Control (110us off, 1.6us on)
|-
| 12 || 0.0v || Ground || GND || Ground
|-
| 13 || LVCMOS3.3 || Out || INK || Ink eject (1.5us pulse)
|-
| 14 || LVCMOS3.3 || In/Out || IO_DATA || Disconnect - immediate stop of print, E - Ink
|-
| 15 || 3.3v || Vcc || VCC || 3.3v for logic
|-
| 16 || LVCMOS3.3 || Out || IO_CLK || Disconnect - immediate stop of print, no error
|-
| 17 || 16v || In || VINK || Voltage for ink jet
|-
| 18 || 16v || In || VINK || Voltage for ink jets
|-
| 19 || 16v || In || VINK || Voltage for ink jets
|-
| 20 || 16v || In || VINK || Voltage for ink jets
|}

NOTE: IO_DATA appears to update for sampling on both positive and negative edges of IO_CLK, IO_CLK is 4Mhz, and nominally low when idle.