High
Performance, Low Power Processor
 CPU
with 8KByte Cache
- 0.18 micron process, 1.8V
- 32 bit RISC ARM720T™ CPU with 16bit
instruction extensions (THUMB™)
- 8KByte of four-way set-associative
unified cache
- MMU with 64 entry TLB
Dual
Memory Subsystem
Dynamic/Static
Memory Control
- Supports low power 1.8V/2.5V/3.3V
IO/core16 bit wide SDRAM
- SDRAM for high performance systems
-Two
physical banks of up to 16MB each
- 2 or 4 internal banks per SDRAM device
Static
Memory Control
- 16/32 bit wide data path for SRAM, Flash,
ROM and External I/O
- Separate data path for LCD refresh activity
- Five memory segments of up to 64MByte
each
- Each segment configurable as 16/32 bit
- Programmable access time
PC
Card/CompactFlash™
- Interface to PC Card/CompactFlash™
controller NMC1121
80KB
on Chip SRAM
Local
LCD frame buffer: reduces power and
memory bandwidth requirements.
Local
data storage to speed up program
execution.
Display
Subsystem
Color/Mono
LCD Controller
- 640*480 STN/DSTN or TFT
- Supports up to 16 bpp (64k colors)
TV
- Supports TV with external encoder
SD
Card Interface
Compatible
with MultiMediaCard as well as
SD (Secure Digital) Card specifications
MMC
also supported independently
AC-97
Interface (v2.1)
Stereo audio codec
Modem codec
LSB/MSB Justified Serial Interface
Stereo codec support
USB
Function 1.1 Compatible
Function
interface 12Mbit/s
Control,
bulk and interrupt transfers
On-chip
transceiver option
USB
Host 1.1 Compatible
Host
interface at 1.5 and 12Mbit/s
48MHz
low power PLL
On-chip
transceiver option
DMA
support
Smart
Card Interface
MultiMediaCard™
Interface
Serial
Communication Subsystem
3
DMA backed UARTs up to 460 Kb/s
- One with modem control signals
- All support Bluetooth rates
IrDA
115Kbps, 1.152Mbps and 4Mbps
|
Serial
Interface Bus with DMA
UCB1200
Interface(telephone codec, touch
screen interface, audio codec)
Audio
I/F with DMA
Supports
MPEG audio decoding
Variable
sample rate 8,11,22.05,44.1,48k
samples/s, 16 bit
Support
for Tel, PCML, PCMR, GPIO
Synchronous
Serial Ports with DMA
SPI/Microwire
interface with Master/Slave
modes
Power
Management Control, 5 power states
Run
mode - all functions enabled
Idle
Mode - CPU clock shut off
Snooze
Mode - LCD refresh from on-chip
RAM
Standby
- low power, quick transition to RUN
Deep
Sleep - Ultra low power
System
Control
Two
16bit timer/counters
RTC
interrupts at: 31.25ms, 15.62ms,
7.81ms and 3.91ms
Timer ticks
Interrupts
- 3 external IRQ lines
- 1 external FIQ lines
Programmable
buzzer output
32
bit real time clock (RTC)
Up
to 77 GPIOs with 8 optional DMA
High
speed data port, 16Mbyte/s with DMATri-State
Outputs and I/O allow high
impedance test mode
On-Chip
Debug and ICE Support
JTAG
for Multi-ICE interface
1k
Byte On-Chip Boot ROM
Boot
through MMC Card, UART (serial port)
or MIIC
Flex
Ball Grid Array
280
pin-flexBGA
(16X16X 0.8mm ball pitch)
280
pin-TABGA
(11X11X 0.5mm ball pitch)
Operating
Range
1.8V+/-
5% core upto 74MHz (ARM72OT
Synchronous Mode)
3.3V+/-
10% I/O upto 110MHz (ARM72OT
Asynchronous Mode)
Ultra
low power
Estimated
Typical Power Consumption
Run
- 100mw at 74 MHz, 1.8V
Idle
- 25mw
Direct
Clock Inputs from Wireless Baseband Circuitry
32
KHz
13
MHz or 18 MHz
|
