at91sam7l128 ATMEL Corporation, at91sam7l128 Datasheet - Page 30

• Manufacturer Part Number: at91sam7l128
• Description: At91 Arm Thumb-based Microcontroller
• Manufacturer: ATMEL Corporation

Figure 9-1.
30
AT91SAM7L128/64 Preliminary
WKUP0 - WKUP15
FSTT0 - FSTT15
System Controller Block Diagram
NRSTB
PLLRC
FWUP
XOUT
NRST
FCIN
XIN
SLCK
SLCK
Backup Power Supply
core_nreset
Embedded
2 MHz RC
Oscillator
Xtal 32 kHz
Embedded
32 kHz RC
Power-on Reset
Brownout
Detector
Oscillator
Oscillator
Zero-Power
PLL
RTC
osc32k_xtal_en
osc32k_rc_en
osc32k_sel
brown_out
rtc_nreset
Slow Clock
supply_on
rtc_alarm
sram_on
Main Clock
Controller
PLLCK
SLCK
bod_on
MAINCK
SLCK
Reset
rtc_on
SRAM 2 Kbytes
Management
Controller
Controller
Supply
Power
proc_nreset
periph_nreset
ice_nreset
VDDIO1
vr_on
vr_mode
vr_ok
lcd_mode
lcd_out
lcd_nreset
lcd_eof
core_nreset
Master Clock
SLCK
MCK
SLCK
LCD Power Supply
Watchdog
Controller
Timer
Memory
Software Controlled
Voltage Regulator
PIOA - PIOB
Segment
Controller
Charge
PIOC
Pump
ADC
LCD
LCD
Periodic
Interval
Core Power Supply
Timer
ARM7TDMI
Peripherals
Peripheral
4 kbytes
Bridge
SRAM
Flash
VDDOUT
CAPM1-CAPP1
CAPM2-CAPP2
VDDLCD
VDDLCD
SEG0 - SEG39
COM0 - COM7
ADVREF
AD0 - AD3
VDDCORE
6257AS–ATARM–28-Feb-08