ATAM862P-TNQY4D Atmel, ATAM862P-TNQY4D Datasheet - Page 104
ATAM862P-TNQY4D
Manufacturer Part Number
ATAM862P-TNQY4D
Description
IC MCU FLASH 4K TX 433MHZ 24SSOP
Manufacturer
Atmel
Datasheet
1.ATAM862P-TNQY4D.pdf
(110 pages)
Specifications of ATAM862P-TNQY4D
Applications
UHF ASK/FSK
Core Processor
MARC4
Program Memory Type
FLASH (4 kB)
Controller Series
MARC4 4-Bit
Ram Size
256 x 4
Interface
SSI
Number Of I /o
11
Voltage - Supply
1.8 V ~ 4 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-SSOP
Processor Series
ATAM862x
Core
MARC4
Data Bus Width
4 bit
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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30. Emulation
104
ATAM862-4
The basic function of emulation is to test and evaluate the customer's program and hardware in
real time. This therefore enables the analysis of any timing, hardware or software problem. For
emulation purposes, all MARC4 controllers include a special emulation mode. In this mode, the
internal CPU core is inactive and the I/O buses are available via Port 0 and Port 1 to allow an
external access to the on-chip peripherals. The MARC4 emulator uses this mode to control the
peripherals of any MARC4 controller (target chip) and emulates the lost ports for the application.
The MARC4 emulator can stop and restart a program at specified points during execution, mak-
ing it possible for the applications engineer to view the memory contents and those of various
registers during program execution. The designer also gains the ability to analyze the executed
instruction sequences and all the I/O activities.
Figure 30-1. MARC4 Emulation
Control
memory
memory
Program
logic
Trace
MARC4 emulator
Personal computer
emulation-CPU
Port 0
MARC4
CORE
Port 1
Emulation control
I/O control
TE, NRST
SYSCL/
I/O bus
TCL,
Application-specific hardware
Emulator target board
MARC4 target chip
(inactive)
Peripherals
CORE
4551G–4BMCU–07/07
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