Pioneer VSX-816-S Service Manual - Page 124

Pin Functions, Digital power supply for I/O 1.8 V to 3.3 V

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1 Pin Functions No. Pin Name A 1 VSSIO 2 XD4 3 XD5 4 XD6 5 XD7 6 XD8 7 VDDI 8 VSSI 9 XD9 10 XD10 B 11 XD11 12 XD12 13 XD13 14 XD14 15 XD15 16 VDDIO 17 XA0 18 XA1 19 XA2 20 XA3 21 XA4 C 22 XA5 23 XA6 24 VDDI 25 VSSI 26 XA7 27 XA8 28 XA9 29 XA10 30 XA11 31 XA12 D 32 VSSIO 33 VDDIO 34 XA13/BA0 35 XA14/BA1 36 XA15/nCAS 37 XA16/nRAS/ALE 38 XA17/CLE 39 XA18 40 XA19 41 VDDI E 42 XA20/DQM1 43 XA21/DQM0 44 SD_CLK/GPO 45 VSSIO 46 SD_nCS/GPIO_B1 47 nCS0/nOE0/GPIO_B2 48 nCS1/nOE1/GPIO_B3 49 nCS2/nOE2/GPIO_B4 50 nCS3/nOE3/GPIO_B5 F 2 3 4 I/O − Digital ground for I/O Pin Function I/O External bus data bit [4] I/O External bus data bit [5] I/O External bus data bit [6] I/O External bus data bit [7] I/O External bus data bit [8] − Digital power supply for internal core (1.8 V) − Digital ground for internal I/O External bus data bit [9] I/O External bus data bit [10] I/O External bus data bit [11] I/O External bus data bit [12] I/O External bus data bit [13] I/O External bus data bit [14] I/O External bus data bit [15] − Digital power supply for I/O (1.8 V to 3.3 V) I/O External bus address bit [0] I/O External bus address bit [1] I/O External bus address bit [2] I/O External bus address bit [3] I/O External bus address bit [4] I/O External bus address bit [5] I/O External bus address bit [6] − Digital power supply for internal core (1.8 V) − Digital ground for internal I/O External bus address bit [7] I/O External bus address bit [8] I/O External bus address bit [9] I/O External bus address bit [10] I/O External bus address bit [11] I/O External bus address bit [12] − Digital ground for I/O − Digital power supply for I/O (1.8 V to 3.3 V) I/O External bus address bit [13] / SDRAM bank address 0 I/O External bus address bit [14] / SDRAM bank address 1 I/O External bus address bit [15] / SDRAM CAS signal I/O External bus address bit [16] / SDRAM RAS signal / ALE for NAND flash I/O External bus address bit [17] / CLE for NAND flash I/O External bus address bit [18] I/O External bus address bit [19] − Digital power supply for internal core (1.8 V) I/O External bus address bit [20] / Data I/O mask 1 I/O External bus address bit [21] / Data I/O mask 0 I/O SDRAM clock / GPO, SD_CLK can be used as a general purpose output. − Digital ground for I/O I/O Chip select signal for SDRAM, active low / GPIO_B[1] I/O External bus chip select [0] / NAND flash output enable [0] / GPIO_B[2] I/O External bus chip select [1] / NAND flash output enable [1] / GPIO_B[3] I/O External bus chip select [2] / NAND flash output enable [2] / GPIO_B[4] I/O External bus chip select [3] / NAND flash output enable [3] / GPIO_B[5] 124 VSX-816-K 1 2 3 4

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VSX-816-K
124
1
2
3
4
1
2
3
4
C
D
F
A
B
E
No.
Pin Name
I/O
Pin Function
1
VSSIO
−
Digital ground for I/O
2
XD4
I/O
External bus data bit [4]
3
XD5
I/O
External bus data bit [5]
4
XD6
I/O
External bus data bit [6]
5
XD7
I/O
External bus data bit [7]
6
XD8
I/O
External bus data bit [8]
7
VDDI
−
Digital power supply for internal core (1.8 V)
8
VSSI
−
Digital ground for internal
9
XD9
I/O
External bus data bit [9]
10
XD10
I/O
External bus data bit [10]
11
XD11
I/O
External bus data bit [11]
12
XD12
I/O
External bus data bit [12]
13
XD13
I/O
External bus data bit [13]
14
XD14
I/O
External bus data bit [14]
15
XD15
I/O
External bus data bit [15]
16
VDDIO
−
Digital power supply for I/O (1.8 V to 3.3 V)
17
XA0
I/O
External bus address bit [0]
18
XA1
I/O
External bus address bit [1]
19
XA2
I/O
External bus address bit [2]
20
XA3
I/O
External bus address bit [3]
21
XA4
I/O
External bus address bit [4]
22
XA5
I/O
External bus address bit [5]
23
XA6
I/O
External bus address bit [6]
24
VDDI
−
Digital power supply for internal core (1.8 V)
25
VSSI
−
Digital ground for internal
26
XA7
I/O
External bus address bit [7]
27
XA8
I/O
External bus address bit [8]
28
XA9
I/O
External bus address bit [9]
29
XA10
I/O
External bus address bit [10]
30
XA11
I/O
External bus address bit [11]
31
XA12
I/O
External bus address bit [12]
32
VSSIO
−
Digital ground for I/O
33
VDDIO
−
Digital power supply for I/O (1.8 V to 3.3 V)
34
XA13/BA0
I/O
External bus address bit [13] / SDRAM bank address 0
35
XA14/BA1
I/O
External bus address bit [14] / SDRAM bank address 1
36
XA15/nCAS
I/O
External bus address bit [15] / SDRAM CAS signal
37
XA16/nRAS/ALE
I/O
External bus address bit [16] / SDRAM RAS signal / ALE for NAND flash
38
XA17/CLE
I/O
External bus address bit [17] / CLE for NAND flash
39
XA18
I/O
External bus address bit [18]
40
XA19
I/O
External bus address bit [19]
41
VDDI
−
Digital power supply for internal core (1.8 V)
42
XA20/DQM1
I/O
External bus address bit [20] / Data I/O mask 1
43
XA21/DQM0
I/O
External bus address bit [21] / Data I/O mask 0
44
SD_CLK/GPO
I/O
SDRAM clock / GPO, SD_CLK can be used as a general purpose output.
45
VSSIO
−
Digital ground for I/O
46
SD_nCS/GPIO_B1
I/O
Chip select signal for SDRAM, active low / GPIO_B[1]
47
nCS0/nOE0/GPIO_B2
I/O
External bus chip select [0] / NAND flash output enable [0] / GPIO_B[2]
48
nCS1/nOE1/GPIO_B3
I/O
External bus chip select [1] / NAND flash output enable [1] / GPIO_B[3]
49
nCS2/nOE2/GPIO_B4
I/O
External bus chip select [2] / NAND flash output enable [2] / GPIO_B[4]
50
nCS3/nOE3/GPIO_B5
I/O
External bus chip select [3] / NAND flash output enable [3] / GPIO_B[5]
Pin Functions