CB280/380

Pin description

Pin	Name	I/O	Description
SOUT	1	OUT	DOWNLOAD SERIAL OUTPUT
SIN	2	IN	DOWNLOAD SERIAL INPUT
ATN	3	IN	DOWNLOAD SERIAL RESET (DTR)
VSS	4	POWER	GROUND
P0	5	I/O	SPI SS
P1	6	Input	SPI SCK
P2	7	I/O	SPI MOSI
P3	8	I/O	SPI MISO
P4	9	I/O
P5	10	I/O	PWM0
P6	11	I/O	PWM1
P7	12	I/O	PWM2
P8	13	I/O	CuNET SCL
P9	14	I/O	CuNET SDA
P10	15	I/O
P11	16	I/O
P12	32	I/O
P13	31	I/O
P14	30	I/O	High Counter Channel 0
P15	29	I/O	High Counter Channel 1
P16	21	I/O
P17	22	I/O
P18	23	I/O
P19	24	I/O	PWM3
P20	25	I/O	PWM4 / INT0
P21	26	I/O	PWM5 / INT1
P22	27	I/O	INT2
P23	28	I/O	INT3
P24	37	I/O	ADC0 : AD Channel 0
P25	38	I/O	ADC1 : AD Channel 1
P26	39	I/O	ADC2 : AD Channel 2
P27	40	I/O	ADC3 : AD Channel 3
P28	56	I/O	ADC4 : AD Channel 4
P29	55	I/O	ADC5 : AD Channel 5
P30	54	I/O	ADC6 : AD Channel 6
P31	53	I/O	ADC7 : AD Channel 7
P32	57	I/O
P33	58	I/O
P34	59	I/O
P35	60	I/O
P36	61	I/O
P37	62	I/O
P38	63	I/O
P39	64	I/O
P40	48	I/O
P41	47	I/O
P42	46	I/O
P43	45	I/O
P44	44	I/O
P45	43	I/O
P46	42	I/O
P47	41	I/O
P48	52	I/O
VDD	17	IN	Input Power, 5.1V~5.5V
VSS	18	IN	GROUND
RES	19	IN	Reset (low active)
TX1	33		RS232 ch1 Tx
RX1	34		RS232 ch1 Rx
AVDD	35		This pin Must be open
TTLTX1	49		RS232 ch1, 5V (TTL level) Tx
TTLRX1	50		RS232 ch1, 5V (TTL level) Rx
AVREF	51		ADC reference voltage