Digi BL1800 user manual Ground recommended

U1

GND	J1
	J2
VIN GND

J3

U1

GND	J1
	J2
VIN GND

J3

U1

GND	J1
	J2
VIN GND

J3

			U4
	J4		-232		J5
			RS
				VCC	GND
GND	VCC
PA0	PA1			RXB	RXC
PA2	PA3	U5		TXB	TXC
PA4	PA5			PC0	PC1
PA6	PA7	U3		PC2	PC3
GND	GND			PC4	PC5
			SRAM
PB0	PB1			PC6	PC7
PB2	PB3	Rabbit 2000		AD0	AGND	Ground recommended
PB6	PB7			PD0	PD1
PB4	PB5			DA0	DA1
WDO	PCLK			PD2	PD3
GND	PE7			PD4	PD5
PE6	PE5			PD6	PD7
PE4	PE3			GND	GND
PE2	PE1			485–	485+
PE0	GND		U6	VCC	VCC
HV0	HV1			SM0	SM1
HV2	HV3			IOBEN	STAT
K	+RAW		RS-485	GND	VBAT
GND	VCC	Y3		/RST	GND
					RESET
	JACKRABBIT Z-World, Inc.
			U4
	J4		-232		J5
			RS
				VCC	GND
GND	VCC
PA0	PA1			RXB	RXC
PA2	PA3	U5		TXB	TXC
PA4	PA5			PC0	PC1
PA6	PA7	U3		PC2	PC3
GND	GND			PC4	PC5
			SRAM
PB0	PB1			PC6	PC7
PB2	PB3			AD0	AGND
PB4	PB5	Rabbit 2000		DA0	DA1
PB6	PB7			PD0	PD1
WDO	PCLK			PD2	PD3
GND	PE7			PD4	PD5
PE6	PE5			PD6	PD7
PE4	PE3			GND	GND
PE2	PE1			485–	485+
PE0	GND		U6	VCC	VCC
HV0	HV1			SM0	SM1
HV2	HV3			IOBEN	STAT
K	+RAW		RS-485	GND	VBAT
GND	VCC	Y3		/RST	GND
					RESET
	JACKRABBIT Z-World, Inc.
			U4
	J4		-232		J5
			RS
				VCC	GND
GND	VCC
PA0	PA1			RXB	RXC
PA2	PA3	U5		TXB	TXC
PA4	PA5			PC0	PC1
PA6	PA7	U3		PC2	PC3
GND	GND			PC4	PC5
			SRAM
PB0	PB1			PC6	PC7
PB2	PB3			AD0	AGND
PB4	PB5	Rabbit 2000		DA0	DA1
PB6	PB7			PD0	PD1
WDO	PCLK			PD2	PD3
GND	PE7			PD4	PD5
PE6	PE5			PD6	PD7
PE4	PE3			GND	GND
PE2	PE1			485–	485+
PE0	GND		U6	VCC	VCC
HV0	HV1			SM0	SM1
HV2	HV3			IOBEN	STAT
K	+RAW		RS-485	GND	VBAT
GND	VCC	Y3		/RST	GND
					RESET

JACKRABBIT Z-World, Inc.

Figure 11. Multidrop Jackrabbit Network

User’s Manual 29