M55800A Atmel Corporation, M55800A Datasheet - Page 4

• Manufacturer Part Number: M55800A
• Manufacturer: Atmel Corporation

Specifications of M55800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 176
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 58
• Ext Interrupts: 58
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 3
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 72
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3/5.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Block Diagram
4
P21/TXD1/NTRI
AT91X40 Series
P25/MCKO
P13/SCK0
P15/RXD0
P20/SCK1
P22/RXD1
P14/TXD0
P10/IRQ1
P11/IRQ2
P24/BMS
P9/IRQ0
P12/FIQ
MCKI
P16
P17
P18
P19
P23
TMS
TDO
TCK
TDI
O
P
I
Interrupt Controller
Figure 2. AT91X40 Series
Clock
AIC: Advanced
Embedded
USART0
USART1
ICE
PS: Power Saving
ARM7TDMI Core
Chip ID
Channels
Channels
Extended SRAM
2 PDC
2 PDC
PIO: Parallel I/O Controller
Controller
ROM
RAM
ASB
or
AMBA Bridge
ASB
APB
WD: Watchdog
TC: Timer
EBI User
Interface
Counter
Reset
Timer
TC0
TC1
TC2
O
P
I
NRST
D0-D15
A1-A19
A0/NLB
NRD/NOE
NWR0/NWE
NWR1/NUB
NWAIT
NCS0
NCS1
P26/NCS2
P27/NCS3
P28/A20/CS7
P29/A21/CS6
P30/A22/CS5
P31/A23/CS4
P0/TCLK0
P3/TCLK1
P6/TCLK2
P1/TIOA0
P2/TIOB0
P4/TIOA1
P5/TIOB1
P7/TIOA2
P8/TIOB2
NWDOVF
1354D–ATARM–08/02