Denon DN-D4500 Service Manual page 14

ADSP-BF531 (IC401)
ADSP-BF531 Terminal Function
Pin No. Pin Name
1 GND GND
2 GND GND
3 GND GND
4 VROUT2
5 VROUT1 VROUT1
6 VDDEXT VDDEXT
7 GND GND
8 GND GND
9 GND GND
10 CLKIN CLKIN
11 XTAL XTAL
12 VDDEXT VDDEXT
13 _RESET _RESET
14 NMI NMI
15 GND GND
16 RTXO
17 RTXI
18 VDDRTC VDDRTC
19 GND GND
20 VDDEXT VDDEXT
21 PPI_CLK
22 PPI0
23 PPI1
24 PPI2
25 VDDINT VDDINT
26 PPI3
27 PF15
28 PF14
29 PF13
30 GND GND
31 VDDEXT VDDEXT
32 PF12
33 PF11
34 PF10
35 PF9
36 PF8 DEBUG2
37 PF7 DEBUG1
38 PF6 FSYNC2
39 GND GND
40 GND GND
41 GND GND
42 GND GND
43 GND GND
44 GND GND
176
1
PIN 1
44
45
Symbol I/O DET Ext
- - -
- - -
- - -
O - -
O - -
I - -
- - -
- - -
- - -
I - -
O - -
I - -
I - -
I - -
- - -
O - -
I - -
I - -
- - -
I - -
I - -
O - -
O - -
O - -
I - -
O - -
O - -
O - -
O - -
- - -
I - -
O - -
O - -
O - -
O - -
O - -
O - -
O - -
- - -
- - -
- - -
- - -
- - -
- - -
133
132
TOP VIEW
89
88
Ini Res
- - GND
- - GND
- - GND
- - Ext. FET drive output 2
- - Ext. FET drive output 1
- - I/O power supply (+3.3V)
- - GND
- - GND
- - GND
- - Clock input
- - Crystal/Oscillation terminal
- - I/O power supply (+3.3V)
- - Reset signal input
- - Non-maskable interrupt
- - GND
- - RTC crystal/Oscillation output
L L RTC crystal/Oscillation input
- - Real Time Clock power supply (+3.3V)
- - GND
- - I/O power supply (+3.3V)
L L PPI clock
L - PPI data 0
L - PPI data 1
L - PPI data 2
- - Core power supply (+1.2V)
L - PPI data 3
L - Programmable flag 15
L - Programmable flag 14
L - Programmable flag 13
- - GND
- - I/O power supply (+3.3V)
L - Programmable flag 12
L - Programmable flag 11
L - Programmable flag 10
L - Programmable flag 9
L - Debug pin
L - Debug pin
L - X2: Clock for playback interrupt input / X1: LRCK (MP3)
- - GND
- - GND
- - GND
- - GND
- - GND
- - GND
14
DN-D4500 / BU4500
Function