at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 182

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

Block Diagram
Figure 53. Debug Unit Functional Block Diagram
Note:
Table 34. Debug Unit Pin Description
Figure 54. Debug Unit Application Example
182
Pin Name
DRXD
DTXD
NTRST
1. If NTRST pad is not bonded out, it is connected to NRST.
Management
AT91RM3400
Controller
Power
(1)
Processor
ARM
nTRST
APB
Peripheral
Bridge
Description
Debug Receive Data
Debug Transmit Data
COMMRX
COMMTX
Force NTRST
MCK
Programming Tool
Boot Program
Debug Unit
Baud Rate
Generator
Peripheral Data Controller
Handler
Handler
Access
DCC
ICE
Debug Unit
Debug Console
RS232 Drivers
Debug Monitor
Interrupt
Sources
System
Other
Transmit
Interrupt
Receive
Control
Chip ID
DBGU Interupt
Trace Manager
Trace Console
Type
Input
Output
Source 1
Advanced
Controller
Parallel
Interrupt
Output
Input/
1790A–ATARM–11/03
DTXD
DRXD