參數(shù)資料
型號(hào): ATAM893T-TKQ
廠商: Atmel
文件頁(yè)數(shù): 93/98頁(yè)
文件大?。?/td> 0K
描述: IC MON TIRE-PRESS ATARX9X SER
標(biāo)準(zhǔn)包裝: 4,000
系列: MARC4
核心處理器: MARC4
芯體尺寸: 4-位
速度: 4MHz
連通性: SSI(2 線,3 線)
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲(chǔ)器容量: 4KB(4K x 8)
程序存儲(chǔ)器類(lèi)型: EEPROM
EEPROM 大小: 64 x 16
RAM 容量: 256 x 4
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 6.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
包裝: 帶卷 (TR)
93
4680C–4BMCU–01/05
ATAM893-D
12. Emulation
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 12-1. MARC4 Emulation
MARC4 target chip
CORE
(inactive)
P
o
rt
1
P
o
rt
0
Application-specific hardware
Peripherals
MARC4 emulator
Program
memory
Trace
memory
Control
logic
Personal computer
CORE
MARC4
emulation-CPU
I/O control
I/O bus
Port 0
Port 1
SYSCL/
TCL,
TE, NRST
Emulation control
Emulator target board
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