AM1705_15 Datasheet, PDF (3/165 Pages) Texas Instruments – AM1705 ARM® Microprocessor

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AM1705
SPRS657E – FEBRUARY 2010 – REVISED JUNE 2014
1.4
Functional Block Diagram
Input
Clock(s)
System Control
PLL/Clock
Generator
w/OSC
General-
Purpose
Timer
General-
Purpose
Timer
(Watchdog)
JTAG Interface
Memory
Protection
Power/Sleep
Controller
Pin
Multiplexing
ARM Subsystem
ARM926EJ-S CPU
With MMU
4KB ETB
16KB 16KB
I-Cache D-Cache
8KB RAM
(Vector Table)
64KB ROM
Switched Central Resource (SCR)
Peripherals
DMA
Audio Ports
EDMA3
McASP
w/FIFO
(2)
Control Timers
eHRPWM eCAP
(3)
(3)
eQEP
(2)
Serial Interfaces
Customizable Interface
Shared Memory
I²C
(2)
SPI
UART
(2)
(3)
GPIO
Connectivity
PRU
Subsystem
128 KB
RAM
External Memory Interfaces
USB2.0
OTG Ctlr
PHY
(10/100)
EMAC MDIO
(RMII)
MMC/SD
(8b)
EMIFA
NAND/ Flash
(8b)
EMIFB
SDRAM Only
(16b/32b)
Figure 1-1. AM1705 Functional Block Diagram
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