AM1705 Datasheet, PDF (6/155 Pages) Texas Instruments – AM1705 ARM Microprocessor

AM1705
SPRS657 – FEBRUARY 2010
1 AM1705 ARM Microprocessor ........................ 1
1.1 Features .............................................. 1
1.2 Trademarks .......................................... 3
1.3 Description ........................................... 4
1.4 Functional Block Diagram ............................ 5
2 Revision History ......................................... 7
3 Device Overview ........................................ 8
3.1 Device Characteristics ............................... 8
3.2 Device Compatibility ................................. 9
3.3 ARM Subsystem ..................................... 9
3.4 Memory Map Summary ............................. 12
3.5 Pin Assignments .................................... 15
3.6 Terminal Functions ................................. 16
4 Device Configuration ................................. 29
4.1 Boot Modes ......................................... 29
4.2 SYSCFG Module ................................... 29
4.3 Pullup/Pulldown Resistors .......................... 31
5 Device Operating Conditions ....................... 32
5.1 Absolute Maximum Ratings Over Operating
Junction Temperature Range
(Unless Otherwise Noted) ................................. 32
5.2 Recommended Operating Conditions .............. 33
5.3 Electrical Characteristics Over Recommended
Ranges of Supply Voltage and Operating Junction
Temperature (Unless Otherwise Noted) ............ 34
6 Peripheral Information and Electrical
Specifications .......................................... 35
6.1 Parameter Information .............................. 35
6.2 Recommended Clock and Control Signal Transition
Behavior ............................................ 36
6.3 Power Supplies ..................................... 37
6.4 Unused USB0 (USB2.0) Pin Configurations ....... 37
6.5 Reset ............................................... 37
6.6 Crystal Oscillator or External Clock Input .......... 41
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6.7 Clock PLLs ......................................... 43
6.8 Interrupts ............................................ 46
6.9 General-Purpose Input/Output (GPIO) ............. 50
6.10 EDMA ............................................... 53
6.11 External Memory Interface A (EMIFA) ............. 58
6.12 External Memory Interface B (EMIFB) ............. 65
6.13 Memory Protection Units ........................... 71
6.14 MMC / SD / SDIO (MMCSD) ....................... 74
6.15 Ethernet Media Access Controller (EMAC) ......... 77
6.16 Management Data Input/Output (MDIO) ........... 82
6.17 Multichannel Audio Serial Ports (McASP0,
McASP1) ............................................ 84
6.18 Serial Peripheral Interface Ports (SPI0, SPI1) ..... 93
6.19 Enhanced Capture (eCAP) Peripheral ............ 111
6.20 Enhanced Quadrature Encoder (eQEP) Peripheral
..................................................... 114
6.21 Enhanced High-Resolution Pulse-Width Modulator
(eHRPWM) ........................................ 116
6.22 Timers ............................................. 120
6.23 Inter-Integrated Circuit Serial Ports (I2C0, I2C1)
..................................................... 122
6.24 Universal Asynchronous Receiver/Transmitter
(UART) ............................................ 127
6.25 USB0 OTG (USB2.0 OTG) ........................ 129
6.26 Power and Sleep Controller (PSC) ................ 137
6.27 Programmable Real-Time Unit Subsystem (PRUSS)
..................................................... 140
6.28 Emulation Logic ................................... 143
6.29 IEEE 1149.1 JTAG ................................ 149
7 Device and Documentation Support ............. 151
7.1 Device Support .................................... 151
7.2 Documentation Support ........................... 151
8 Mechanical Packaging and Orderable
Information ............................................ 152
8.1 Device and Development-Support Tool
Nomenclature ..................................... 152
8.2 Mechanical Drawings ............................. 152
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