Commodore Amiga - Chapter 3: PLAYFIELD HARDWARE

AMIGA 1000 COMPONENT LEVEL REPAIR
CUSTOM SOUND/PERIPHERALS CHIP
— Paula —
FEATURES:
• Four Voices of Sound Output configured as Two Stereo Channels
• Nine Octaves
• Complex Waveforms
• Uses both Amplitude and Frequency Modulation
• I/O Controls for Disk Data and Controller Ports
• Microdisk Controller
• Interrupt Control System
D 8 - 1
48 - D 9
D7 —
2
47 — D10
D e - 3
46
— D l l
OS— 4
45 — D 12
D 4 -
5 4 4
— D 13
D3 — 6
43 — D14
D2 — 7
42
— D15
VSS— 8
41 -R X D
D I 
9
40 —TXD
D O -
10
39 -D K W B
R E $ -
11
38
-D K W D
D M A L -
IP L 0 -
12
13
8364 36
-D K R D
-P 1 Y
IP L 1 -
14
35 -P 1 X
IP L 2 -
15
34
-A N A G N D
IN T 2 -
16
33
-P 0 Y
IN T 3 - 17
32 -P O X
IN T 6 - 18
31 -A U D A
R G A 8 - 19
30
-A U D B
R G A 7-
20
29
— CCKQ
R G A 6- 21
28
— CCK
R G A 5 - 22
27 -V C C
R G A 4 -
23 26 -R G A 1
R G A 3 - 24
25
-R G A 2
PIN DESIGNATION FUNCTION TYPE
1-7 D2-D8 Data Bus Lines 2-8
I/O
8 Vss Ground I
9,10 D0,D1
Data Bus Lines 0,1
I/O
11
/RES
System Reset I
12
DMAL
DMA Request Line 0
13-15
/IPLO-2 Interrupt Line 0-2
0
16-18 /INT2,3,6 Interrupt Level 2,3,6
I
19-26 RGA1-8
Register Address 1-8
I
27
Vcc
+ 5 VDC
I
28
CCK
Color Clock
I
29
CCKQ
Color Clock Delay
I
30 AUDB Right Audio
0
31
AUDA Left Audio
0
32 POTOX
Pot OX
I/O
33
POTOY
Pot OY
I/O
34 VSSANA
Analog Ground I
35
POT1X Pot 1X I/O
36
P0T1Y
Pot 1Y
I/O
37 /DKRD Disk Read Data I
38
/DKWD
Disk Write Data 0
39
DKWE
Disk Write Enable 0
40
TXD
Serial Transmit Data
0
41 RXD Serial Receive Data I
42-48 D9-15 Data Bus Lines 9-1 5
I/O
1-10