Board Description
3.2
AT91SAM7L64/128 Block Diagram
Figure 3-1.
AT91SAM7L64/128 Block Diagram
CAPP1
TDI
CAPM1
TDO
TMS
TCK
JTAG
SCAN
ICE
ARM7TDMI
Processor
Charge
Pump
CAPP2
CAPM2
VDDINLCD
JTAGSEL
VDD3V6
System Controller
LCD
Voltage
VDDLCD
TST
2 MHz RCOSC
Regulator
VDDIO2
FIQ
IRQ0-IRQ1
AIC
1.8 V
Voltage
VDDIO1
GND
PCK0-PCK2
Regulator
VDDOUT
VDDCORE
Address
Decoder
CLKIN
PLLRC
XIN
XOUT
VDDIO1
PLL
OSC
32k RCOSC
BOD
PMC
Memory Controller
Embedded
Flash
Controller
Abort
Misalignment
Status
Detection
SRAM
2 Kbytes( Back-up)
4 Kbytes (Core)
Flash
64/128 Kbytes
VDDIO2
VDDCORE
ERASE
VDDIO1
POR
Supply
Controller
Peripheral Bridge
NRST
RSTB
FWUP
VDDIO1
Peripheral Data
Controller
11 Channels
APB
ROM (12 Kbytes)
Fast Flash
Programming
Interface
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMM0-PGMM3
PGMD0-PGMD15
PGMNCMD
PGMEN0-PGMEN2
SAM-BA
RTC
PIT
WDT
PWM0
DRXD
DTXD
DBGU
PDC
PDC
PWMC
Timer Counter
PWM1
PWM2
PWM3
TCLK0
TCLK1
PIOA (26 IOs)
PIOB (24 IOs)
TC0
TC1
TCLK2
TIOA0
TIOB0
TIOA1
TIOB1
PIOC (30 IOs)
PDC
TC2
TWI
TIOA2
TIOB2
TWD
TWCK
SEG00-SEG39
PDC
COM0-COM9
LCD Controller
PDC
NPCS0
NPCS1
NPCS2
SPI
NPCS3
RXD0
TXD0
SCK0
RTS0
CTS0
RXD1
TXD1
SCK1
USART0
PDC
PDC
PDC
PDC
PDC
ADC
MISO
MOSI
SPCK
ADTRG
AD0
AD1
AD2
AD3
RTS1
CTS1
DCD1
DSR1
DTR1
RI1
AT91SAM7L-STK Rev. A Starter Kit User Guide
USART1
PDC
ADVREF
3-3
6409A–ATARM–30-Jun-08
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