RK26XX芯片应用介绍PPT课件

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➢Memory interface:
• External up to 2(cs) x 64M-2G bytes Nand type Flash accessed by DMA
• Support both 8-bit (X8 device) and 16-bit (X16 device) IO bus
amplifier ➢ Build in Stereo 16-bit Sigma-Delta ADC (Line-in /FM Input/
Microphone with analog mixer) ➢ 40 levels digital volume control ➢ Support external CODEC through I2DSP interface ➢ Support I2C interface ➢ Support USB 2.0 high speed and full speed ➢ Integrated 3 Channel DMA
85
12
D5
DQM0
86
11
D4
DQM1
87
10
D3
VDDOUT
88
9
D2
LXVDD
89
8
D1
VREGIN
90
7
D0
VREGOUT
91
6
VCCA
DC1_FB0
92
5
DP
DC1_FB1
93
4
DM
DC0_FB0
94
3
AGND
DC0_FB1
95
2
RREF
NGND
96
1
VDDA
128
FCE0
127
LCDCSN
➢Support watchdog timer
➢DSP-based Software:
• MPEG1/2/2.5 Audio Layer 1, 2, 3 decoding, Layer3 encoding
• WMA 9 decoding • G.729 based voice recording and playback • equalizer • MPEG-4 @QVGA decoding
• Support SDRAM • Support SD/MMC • Support External NOR-Flash boot up
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➢Video Driver: Support TFT LCD/ OLED Interface
➢Pulse Width Modulators for EL backlights
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➢ CODEC PERFORMANCES
• Headphone driver output 2x9mW @32 Ohm(TYP) ; SNR: 90dB (DAC TYP)
• Low Power Consumption, <110mW at typical MP3 decoder solution (@24MHz)
43
P2.0/SDDO
44
P2.1/SDDI
45
P2.2/SDCLK
46
P2.3/FCE1/SDCS
47
VCC
48
VSSD
49
VDD
50
P0.0
51
P0.1
52
P0.2
53
P0.3
54
P0.4
55
P0.5
56
P0.6
57
P0.7
58
P1.1/I2C_SDA
59
P1.2/I2C_SCL
60
P1.3/I2SMCLK
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▪ Embedded DSP Core:
• 4K words Boot Sync ROM • 128K words Sync SRAM • 2K words Register Space for Peripherals • Upgradable firmware through USB/Flash interface
126
LCDWRN
125
LCDRDN
124
D15/P3.7
123
D14/P3.6
122
D13/P3.5
121
D12/P3.4
120
D11/P3.3
119
D10/P3.2
118
D9/P3.1
117
D8/P3.0
ห้องสมุดไป่ตู้
116
TEST
115
RESETN
114
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2:Pin Description
➢ LQFP128(14x14) PIN
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8
Rock2 128 pins LQFP package
9
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A11
33
A12
34
BA0
35
BA1
36
CKE
37
CLK
38
P2.8/WEN
39
P2.9/CASN
40
P2.10/RASN
41
P2.11/CSN
42
P2.13/PWM0
RK26XX芯片应用介绍
V0.0 瑞芯微电子有限公司
2006－06－28
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一：Rock26XX DATA SHEET
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1:Features
➢ 128/100 pins LQFP package ➢ Typical power voltage 3.3V(IO), 1.8V(Core) ➢ Use one 24MHz crystal oscillator ➢ 32GPIO (8bits P0,P1,P3,16bits P2) ➢ 10-bit low resolution ADC with 4-channel Analog Input ➢ Build in Stereo 24-bit Delta-Sigma DAC with on-chip headphone
61
P1.4/DAC_LRCK
62
P1.5/ADC_LRCK
63
P1.6/SDI
64
P1.7/SDO
65
32
A10
AIL1
66
31
A9
AIR1
67
30
A8
AIL2
68
29
A7
AIR2
69
28
A6
MIC
70
27
A5
IREF
71
26
A4
VCOM
72
25
P2.7/A3
VSSA
73
24
FCLE/A2
VDDA
74
23
FALE/RS/A1
AOL
75
22
P2.4/A0
VSSAO
76
21
VCC
AOM
77
20
VSSD
AOMS
78
VDDAO
79
AOR
80
Rock2
LQFP128 V1.1
19
VDD
18
FWP
17
FWEN
HP_SENSE
81
16
FREN
VDD
82
15
RD/BY
VCC
83
14
D7
VSSD
84
13
D6
IBOOT
• SNR: 85dB A-Weighted for ADC path • THD: -85dB (<0.0071%) for ADC path • THD: 0.06% @18mW/16Ohm for DAC
path • THD: -85dB @FS-1dB/>1kOhm for DAC
path • PSRR: 50dB@1kHz