Cypress 2100 manual Usb I/O

EZ-USB Series 2100

Input/Output

2125SC
2126SC	2121SC	2131QC	Name
2135SC	2131SC
2136SC
		68	PA0/T0out
		69	PA1/T1out
		70	PA2/OE#
		71	PA3/CS#
39	39	73	PA4/FWR#
40	40	74	PA5/FRD#
		75	PA6/RxD0out
		76	PA7/RxD1out
	24	44	PB0/T2
	25	45	PB1/T2EX
	26	46	PB2/RxD1
	27	47	PB3/TxD1
	28	52	PB4/INT4
	29	53	PB5/INT5#
	30	54	PB6/INT6
	31	55	PB7/T2out
14	14	30	PC0/RxD0
15	15	31	PC1/TxD0
16	16	32	PC2/INT0#
17	17	33	PC3/INT1#
18	18	38	PC4/T0
19	19	39	PC5/T1
20	20	40	PC6/WR#
21	21	41	PC7/RD#

Power and Ground

7	7	18	AGND
10	10	21	AVCC
1, 3, 4, 5,	1, 3, 4, 5,	3, 5, 6, 13,
		14, 17, 23,
6, 12, 23,	6, 12, 23,		GND
		43, 56, 63,
34, 38	34, 38
		72, 78
11, 22,	11, 22,	2, 22,	VCC
33, 44	33, 44	42, 62

Address

2125SC
2126SC	2121SC	2131QC	Name
2135SC	2131SC
2136SC
		7-12	A0-A5
		15, 16	A6, A7
		26-29	A8-A11
		34-37	A12-A15

Databus

24-27	48-51	DO-D3
28-31	57-60	D4-D7

Special

32	32	61	BKPT
2	2	4	CLK24
43	43	1	DISCON#
		80	PSEN#
8	8	19	XIN
9	9	20	XOUT
		24	EA
13	13	25	RESET
37	37	66	WAKEUP#

USB I/O

41	41	77	USBD-
42	42	79	USBD+

I2C

36	36	65	SCL
35	35	64	SDA