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SPEAR300 bảng dữ liệu(PDF) 3 Page - STMicroelectronics

tên linh kiện SPEAR300
Giải thích chi tiết về linh kiện  Embedded MPU with ARM926 core, flexible memory support, powerful connectivity features and human machine interface
PDF  83 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPEAR300 bảng dữ liệu(HTML) 3 Page - STMicroelectronics

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SPEAr300
Contents
Doc ID 16324 Rev 2
3/83
2.26
USB2 device controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.27
JPEG (CODEC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.28
Cryptographic co-processor (C3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.29
8-channel ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.30
1-bit DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.1
Required external components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.2
Dedicated pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.3
Shared I/O pins (PL_GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.3.1
PL_GPIO pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.3.2
Configuration modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.3.3
Alternate functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.3.4
Boot pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.3.5
GPIOs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.3.6
Multiplexing scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.4
PL_GPIO pin sharing for debug modes . . . . . . . . . . . . . . . . . . . . . . . . . . 47
4
Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
5.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
5.2
Maximum power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
5.3
DC electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
5.4
Overshoot and undershoot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
5.5
3.3V I/O characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
5.6
LPDDR and DDR2 pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
5.7
Power up sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
5.8
Removing power supplies for power saving . . . . . . . . . . . . . . . . . . . . . . . 55
5.9
Power on reset (MRESET) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6
Timing requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6.1
DDR2 timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6.1.1
DDR2 read cycle timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6.1.2
DDR2 write cycle timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58



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