IC number:	6520
IC function:	Peripheral Adapter
Related components:	6522 (successor)

Component documentation

IC number	Manufacturer	Documentation
6520	MOS Technology / CSG	Not available

Component versions

IC number	Package	Speed	CBM part number	CBM part description
6520	40-pin DIP	1 MHz	901436-01	IC 6520 PIA

Positions

Device	Positions	Package
PET board assy 320132, 320137, 320008, 320081	UB8, UG8	DIP
PET board assy 320351	UC6, UC7	DIP
PET board assy 8032090, 8032080, 8032030	UB12, UB16	DIP

Pinout

Pin	Type	Name
1	Power	VSS
2..9	I/O	PA0..PA7
10..17	I/O	PB0..PB7
18	Input	CB1
19	I/O	CB2
20	Power	VCC
21	Input	R/W
22	Input	CS0
23	Input	CS2_
24	Input	CS1
25	Input	Ø2
26..33	I/O	D7..D0
34	Input	RES_
35..36	Input	RS1..RS0
37..38	Output	IRQB_..IRQA_
39	I/O	CA2
40	Input	CA1