SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 104

• Manufacturer Part Number: SAM7L128
• Manufacturer: Atmel Corporation

Specifications of SAM7L128

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 36 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 80
• Ext Interrupts: 80
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Segment Lcd: 40
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 460
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 6
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.8 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

17.2
Figure 17-1. Supply Controller Block Diagram
104
Block Diagram
AT91SAM7L128/64 Preliminary
W K UP 0-W K UP 15
NR S T B
F W UP
XO UT
XIN
Zero-power
Xtal 32 kHz
Embedded
32 kHz RC
Brownout
Power-on
Detector
Oscillator
Oscillator
Reset
os c32k_xtal_en
poweron_res et
AP B
os c32k_rc_en
bod_thres hold
os c32k_s el
s upply_on
s low_clock
S LC K
bod_on
bod_in
fwup
vdd_on
Controller
VDDIO1
Supply
s ram_on
rt_on
rtc_alarm
rt_nres et
s low_clock
lcd_pump_on
lcd_out
lcd_nres et
s low_clock
lcd_eof
vr_s tandby
vr_vdd
vr_deep
vr_ok
vddcore_nres et
s low_clock
flas h_on
VDD_S W
Management
Regulator
Controller
Regulator
Controller
Controller
Backup
Charge
Voltage
Voltage
SRAM
Power
Pump
Reset
Flash
RTC
LCD
LCD
LCD
Controller
Controller
Memory
Memory
VDDINLC D
VDD3V6
VDDLC D
VDDIO 2
VDDIO 1
VDDC O R E
6257A–ATARM–20-Feb-08