Integration 2.0r manual Schematic, IRQ GND SCK Miso Mosi IC1

VCC

VCC

SCHEMATIC:

R1 SEL

SJ1

NRES 1 2 R2

IRQ

GND

SCK

MISO

MOSI

IC1

	2	P0.0	P2.0
	1
		P0.1	P2.1
	28
		P0.2	P2.2
	27
		P0.3	P2.3
TX	26
		P0.4	P2.4
RX	25
		P0.5	P2.5
	24
		P0.6	P2.6
	23
		P0.7	P2.7
	22	P1.0	P3.0/C2D
	21
		P1.1
	20
		P1.2	/RST/C2CK
	19
		P1.3

14	1
13	4
12	3
11	6

10

9

8

7

6

5

SW1 D1

5

R3 GND

820R4

R5 820

D3

Green

D2

Red

R6

820

Red

D4

Yellow

IC2

MOSI	1	SDI	NINT/VDI
SCK	2	SCK	ARSSI
SEL	3	NSEL	VDD
MISO	4	SDO	RF1
IRQ	5	NIRQ	RF2
FFS	6	FSK/DATA/NFFS VSS

16INT/VDI

15 ARSSI

14VCC

13

12

11 GND

L1 C9C8

GND

X1

50 OHM

FFS

FFIT

INT/VDI

ARSSI

3 TX 2 RX 1

J1

GND

18	P1.4	VDD
17
	P1.5
16
	P1.6
15
	P1.7	GND

C8051F311

4 VCC

C1

R7

3NRES 100nF

1k

GND GND

3

2

1

DEBUG

GND

FFIT	7	DCLK/CFIL/FFIT NRES
	8	CLK	XTL/REF

IA4420

Only rev. C or above!

10

9
C2	Q1	GND
		L3
	10MHz
4,7nF
GND	GND	VCC

REPEATER DEMO

BATTERY

1

6V 2

C3 2,2uFR8

GND

100k

IC3

1IN OUT 5

2 GND

3ON POK 4

IA2112-3.3V

VCC

3,3V

C4

2,2uF

		VCC
C5	C6	C7
1uF	100pF	10pF

GND

(NON-LCD)

Fig 12. IA4420 Transceiver Repeater Demo Non-LCD Schematic

14