M42800A Atmel Corporation, M42800A Datasheet - Page 8

• Manufacturer Part Number: M42800A
• Manufacturer: Atmel Corporation

Specifications of M42800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 54
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• 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

4. Block Diagram
Figure 4-1.
8
PA14/NPCSA0/NSSA
PA21/NPCSB0/NSSB
AT91M42800A
PA9/TXD1/NTRI
PA15/NPCSA1
PA16/NPCSA2
PA17/NPCSA3
PA22/NPCSB1
PA23/NPCSB2
PA24/NPCSB3
PA11/SPCKA
PA18/SPCKB
PA12/MISOA
PA13/MOSIA
PA19/MISOB
PA20/MOSIB
PA25/MCKO
PA10/RXD1
PA7/RXD0
PA5/SCK0
PA8/SCK1
PA6/TXD0
MODE0
MODE1
PA0/IRQ0
PA1/IRQ1
PA2/IRQ2
PA3/IRQ3
AT91M42800A
PLLRCA
PLLRCB
PA4/FIQ
NTRST
XOUT
PA26
PA28
TMS
TDO
TCK
XIN
TDI
O
P
I
Interrupt Controller
AIC: Advanced
PMC: Power Management
SPIA: Serial
SPIB: Serial
Peripheral
Peripheral
USART0
USART1
Interface
Interface
Controller
Chip ID
Embedded
ICE
ARM7TDMI
Channels
Channels
Channels
Channels
2 PDC
2 PDC
2 PDC
2 PDC
Core
Internal RAM
Controller
8K Bytes
ASB
PIO: Parallel I/O Controller
AMBA™ Bridge
ASB
APB
TC: Timer/
TC: Timer/
Watchdog
Real-time
EBI User
Interface
Counter
Counter
System
Block 0
Block 1
Interval
Timers
Period
Reset
TC0
TC1
TC2
TC3
TC4
TC5
P
O
I
1779ES–ATARM–14-Apr-06
PA27/BMS
NRST
D0-D15
A0/NLB
A1-A19
NRD/NOE
NWR0/NWE
NWR1/NUB
NWAIT
NCS0
NCS1
PA29/PME
PB0/NCS2
PB1/NCS3
PB2/A20/CS7
PB3/A21/CS6
PB4/A22/CS5
PB5/A23/CS4
PB6/TCLK0
PB9/TCLK1
PB12/TCLK2
PB7/TIOA0
PB8/TIOB0
PB10/TIOA1
PB11/TIOB1
PB13/TIOA2
PB14/TIOB2
PB15/TCLK3
PB18/TCLK4
PB21/TCLK5
PB16/TIOA3
PB17/TIOB3
PB19/TIOA4
PB20/TIOB4
PB22/TIOA5
PB23/TIOB5
NWDOVF