# BEE2 board specification																																	

# RS232 interface																																

# Last Changes:																																	
# Pierre-Yves Droz	5/20/2004 1:49PM																																

# Best viewed with tab_length=6


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# RS232 connector
add_blk	rs232_con	HDR_5_RS232	rx	tx	cts	rts	powergnd
def_param_blk	rs232_con	[hdr RS232 1x5]

add_net	rs232_15v_rx	1
add_net	rs232_15v_tx	1
add_net	rs232_15v_cts	1
add_net	rs232_15v_rts	1
add_con	out	rs232_con	rx	1	rs232_15v_rx	0
add_con	in	rs232_con	tx	1	rs232_15v_tx	0
add_con	out	rs232_con	cts	1	rs232_15v_cts	0
add_con	in	rs232_con	rts	1	rs232_15v_rts	0

add_con	gnd	rs232_con	powergnd	1	GND		0

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# RS232 interface MAX218
add_blk	rs232_if	MAX218	lx	v_p	v_m	c1_p	c1_m	txout	rxin	rxout	txin	rtsin	ctsin	rtsout	ctsout	shtdwn_	enable	vcc	powergnd
def_param_blk	rs232_if	package	20WSO	part_number	MAX218CWP	manufacturer	Maxim	www	http://rocky.digikey.com/WebLib/Maxim/Web%20Data/MAX218.pdf	description	IC TXRX RS232 DUAL120KBPS 20SOIC	distributor	Digikey	order_number	MAX218CWP-ND	availability	available

# Data connections
add_con	in	rs232_if	rxin		1	rs232_15v_rx	0
add_con	out	rs232_if	txout		1	rs232_15v_tx	0

add_net	rs232_rx	1
add_net	rs232_tx	1
add_con	out	rs232_if	rxout		1	rs232_rx	0
add_con	in	rs232_if	txin		1	rs232_tx	0

# Flux control connections
add_con	in	rs232_if	ctsin		1	rs232_15v_cts	0
add_con	out	rs232_if	rtsout	1	rs232_15v_rts	0

add_net	rs232_cts	1
add_net	rs232_rts	1
add_con	out	rs232_if	ctsout	1	rs232_cts	0
add_con	in	rs232_if	rtsin		1	rs232_rts	0

# Charge pumps
add_net	rs232_if_c1_p	1
add_net	rs232_if_c1_m	1
add_net	rs232_if_v_p	1
add_net	rs232_if_v_m	1
add_net	rs232_if_lx		1

add_con	analog	rs232_if	c1_p	1	rs232_if_c1_p	0
add_con	analog	rs232_if	c1_m	1	rs232_if_c1_m	0
add_term	net	rs232_if_c1_p	rs232_if_c1_m	rs232_if_cap_chargpump0	[cap_type 470nF ceramic]	1	1	[cap 470nF ceramic]

add_con	analog	rs232_if	v_p	1	rs232_if_v_p	0
add_term	net	rs232_if_v_p	GND	rs232_cap_chargepump1	[cap_type 1uF tantalum]		1	1	[cap 1uF tantalum]

add_con	analog	rs232_if	v_m	1	rs232_if_v_m	0
add_term	net	GND	rs232_if_v_m	rs232_cap_chargepump2	[cap_type 1uF tantalum] 	1	1	[cap 1uF tantalum]

add_con	analog	rs232_if	lx	1	rs232_if_lx	0
add_term	drop	rs232_if	lx	VCC1_8	[ind_type 15uH 350mA] 	1	[ind 15uH 350mA]

add_term	net	rs232_if_lx		rs232_if_v_p	rs232_if_diode	1N6050	1	1	package	SOT23	part_number	MMBD6050LT1	manufacturer	ON Semiconductor	www	http://rocky.digikey.com/WebLib/On-Semi/Web%20Data/MMBD6050LT1-D.pdf	description	DIODE SWITCH 70V SOT-23	distributor	Digikey	order_number	MMBD6050LT1OSCT-ND	availability	available

# Shutdown signals
add_con	in	rs232_if	enable	1	VCC1_8	0
add_con	in	rs232_if	shtdwn_	1	VCC1_8	0

# Power
add_con	pwr	rs232_if	vcc		1	VCC1_8	0
add_con	gnd	rs232_if	powergnd	3	GND		0
!! add_bypass_bulk_18 rs232_if 1 1uF