at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 3

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Block Diagram
Figure 1. AT91RM3400 Block Diagram
1790A–ATARM–11/03
MCDA0-MCDA3
MCDB0-MCDB3
PCK0-PCK3
IRQ0-IRQ6
JTAGSEL
XOUT32
PLLRCB
PLLRCA
MCCDB
MCCDA
MCCK
XIN32
DRXD
DTXD
XOUT
RXD0
RXD1
DSR1
DCD1
RXD2
RXD3
NRST
TXD0
SCK0
CTS0
TXD1
SCK1
CTS1
DTR1
TXD2
SCK2
CTS2
TXD3
SCK3
CTS3
RTS0
RTS1
RTS2
RTS3
TDO
TMS
TCK
TST
FIQ
XIN
DM
RI1
TDI
DP
Reset
PLLB
PLLA
Test
OSC
OSC
and
JTAG
Scan
Bold arrows (
PIOA/PIOB Controller
USB Device
System
DBGU
Timer
PMC
RTC
AIC
USART0
USART1
USART2
USART3
PDC
MCI
FIFO
ICE
PDC
PDC
PDC
PDC
PDC
APB
) indicate master-to-slave dependency.
Fast SRAM
256K bytes
Peripheral
Peripheral
96K bytes
Controller
Bridge
ROM
Data
ARM7TDMI Processor
PDC
PDC
PDC
PDC
Controller
Memory
Timer Counter
Timer Counter
SSC0
SSC1
SSC2
TC0
TC1
TC2
TC3
TC4
TC5
TWI
SPI
Misalignment
Decoder
Address
Detector
Status
Arbiter
Abort
Bus
AT91RM3400
TF0
TK0
TD0
RD0
RK0
RF0
TF1
TK1
TD1
RD1
RK1
RF1
TF2
TK2
TD2
RD2
RK2
RF2
TCLK0
TCLK1
TCLK2
TIOA0
TIOB0
TIOA1
TIOB1
TIOA2
TIOB2
TCLK3
TCLK4
TCLK5
TIOA3
TIOB3
TIOA4
TIOB4
TIOA5
TIOB5
NPCS0
NPCS1
NPCS2
NPCS3
MISO
MOSI
SPCK
TWD
TWCK
3