Pioneer AVIC-505 Service Manual page 72

AVIC-505
Pin No. Pin Name
220 VDD
221 GND
222-224 D25-27
225 GND
226,227 D28,29
228 VDD
229,230 D30,31
231 GND
232 ICBUFDIR
233 CARD11
234 CARD10
235 GND
236-239 CARD9-6
240 VDD
*HD64411
144
6
37
- Pin Functions (HD64411)
Pin No. Pin Name
1 DREQ
2,3 D0,1
4 CPUVCC
5 D2
6 CPUVCC
7-11 D3-D7
12 COUGND
13-15 D8-D10
16 CPUVCC
17,18 D11,12
19 CPUGND
20-22 D13-15
23 PLLGND
24 CAP0
25 PLLVCC
26,27 CS0,1
28 RD
29,30 WE0,1
31 DACK
32-34 MODE0-2
35 NC
72
I/O Function and Operation
Power supply
GND
I/O Host data input
GND
I/O Host data input
Power supply
I/O Host data input
GND
O Not used
I/O Not used
I/O Not used PD:connect to L
GND
I/O Not used PD:connect to L
Power supply
109
108
73
72
I/O Function and Operation
O DMA request
O Data output
Power supply
O Data output
Power supply
O Data output
GND
O Data output
Power supply
O Data output
GND
O Data output
GND
GND
Power supply
Chip select
Read pulse
Write enable
I DMA acknowledge
Mode select
Not used