Schematic Capture File Format

1 - Units

2 - Heading

3 - Description of a component

4 - Description of a NoConnect symbol

5 - Description of a hierarchical sheet symbol

6 - Description of a text note

7 - Description of a Global Label

8 - Description of a label

9 - Description of a junction

10 - Description of a wire segment (Wire)

11 - Description of a Bus segment

12 - Description of a dotted line segment

13 - Description of a bus entry

Units

Sizes and coordinates are given in mils (1/1000 inch)

Heading

Format :

EESchema Schematic File Version 1

LIBS: libraries list (not used, for information only).

EELAYER nn mm (nn mm not used, reserved)

EELAYER END

$Descr Sheet size dimx dimy (sheet size = A4..A0 ou A..E)

Title block description (Texts of the title block)

$EndDescr

EESchema Schematic Spins Version 1

LIBS:brooktre, cypress, ttl, power, linear, memory, xilinx, idiot, aaci, INTEL, special, device, dsp

EELAYER 20 0

EELAYER END

$Descr A3 16535 11700

Sheet 1 4

""

Date “28 DEC 1996”

Rev ""

Comp ""

Comment1 ""

Comment2 ""

Comment3 ""

Comment4 ""

$EndDescr

Description of a component

Format:

$Comp

L name reference

U N mm time_stamp

P posx posy

List of fields:

F field_number “text” orientation posX posY size Flags (see below)

1 posx posy (redundant: not used)

A B C B ( orientation matrix with A, B, C, D = - 1, 0 or 1)

$EndComp

Description of the fields:

F n “text” orientation posx posy dimension flags

with n = field number (reference field = 0, value field = 1, N = 0..11)

orientation = H (horizontal) or V (vertical).

Example:

Comp

L CONN_3 JP3

U 1 1 329879E1

P 1200 2000

F 0 “JP3” H 1250 2200 60 0000

F 1 “CONN_3” V 1350 2000 50 0000

1 1200 2000

- 1 0 0 - 1

$EndComp

Description of a NoConnect symbol

Format: NoConn ~ posx posy

Example:

NoConn ~ 13400 5500

Description of a hierarchical sheet symbol

Format:

$Sheet

S posx posy dimx dimy

List of Sheet Labels

$EndSheet

Format of Sheet Labels

Fn “text” forms side posx posy dimension

With:

n = sequence number (0..x).

n = 0: name of the corresponding schematic file.

n = 1: name of the sheet of hierarchy.

form = I (input) O (output)

side = R (right) or L (left).

Example:

$Sheet

S 1800 1600 1500 1500

F0 “PROGALIM.SCH” 60

F1 “PROGALIM.SCH” 60

F2 “CLK” O R 3300 1800 60

F3 “/RESET” O R 3300 2000 60

F4 “VPWR” O R 3300 2700 60

F5 “/HALT” O R 3300 2100 60

F6 “TRANSF1” I L 1800 1900 60

F7 “TRANSF2” I L 1800 2000 60

F8 “3.84MH” O R 3300 2200 60

$EndSheet

Description of a text note

Format: Text Notes posx posy orientation dimension ~

Text

Example:

Text Notes 2100 3250 1 60 ~

TOTO

Description of a Global Label

Format: Text GLabel posx posy orientation dimension shape

Text

Example:

Text GLabel 3100 2500 2 60 UnSpc

TITI

Text GLabel 3150 2700 1 60 3State

3STATES

Text GLabel 2750 2800 0 60 UnSpc

BIDI

Text GLabel 2750 2650 0 60 Output

GLABELOUT

Text GLabel 2750 2400 0 60 Input

RESET

Description of a label

Format: Text Label posx posy orientation dimension ~

Text

Example:

Text Label 3400 2000 0 60 ~

/RESET

Description of a junction

Format: Connection ~ posx posy

Example:

Connection ~ 13300 6500

Description of a wire segment (Wire)

Format:

Wire Wire Line

startx starty endx endy

Example:

Wire Wire Line

3300 1800 3900 1800

Description of a Bus segment

Format:

Wire Bus Line

startx starty endx endy

...