參數(shù)資料
型號： ATMEGA16A-MUR
廠商： Atmel
文件頁數(shù)： 28/88頁
文件大小： 0K
描述： MCU AVR 16KB FLASH 16MHZ 44QFN
產(chǎn)品培訓模塊： megaAVR Introduction
標準包裝： 4,000
系列： AVR® ATmega
核心處理器： AVR
芯體尺寸： 8-位
速度： 16MHz
連通性： I²C，SPI，UART/USART
外圍設備： 欠壓檢測/復位，POR，PWM，WDT
輸入/輸出數(shù)： 32
程序存儲器容量： 16KB（8K x 16）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 512 x 8
RAM 容量： 1K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-VFQFN 裸露焊盤
包裝： 帶卷 (TR)
PIC16F610/616/16HV610/616
DS41288F-page 126
2009 Microchip Technology Inc.
12.10 In-Circuit Serial Programming
The PIC16F610/616/16HV610/616 microcontrollers
can be serially programmed while in the end
application circuit. This is simply done with five
connections for:
clock
data
power
ground
programming voltage
This allows customers to manufacture boards with
unprogrammed
devices
and
then
program
the
microcontroller just before shipping the product. This
also allows the most recent firmware or a custom
firmware to be programmed.
The device is placed into a Program/Verify mode by
holding the RA0 and RA1 pins low, while raising the
MCLR (VPP) pin from VIL to VIHH. See the Memory
Programming
Specification
(DS41284)
for
more
information. RA0 becomes the programming data and
RA1 becomes the programming clock. Both RA0 and
RA1 are Schmitt Trigger inputs in Program/Verify
mode.
A typical In-Circuit Serial Programming connection is
shown in Figure 12-10.
FIGURE 12-10:
TYPICAL IN-CIRCUIT
SERIAL
PROGRAMMING
CONNECTION
12.11 In-Circuit Debugger
Since in-circuit debugging requires access to three pins,
MPLAB ICD 2 development with an 14-pin device is
not
practical.
A
special
28-pin
PIC16F610/616/
16HV610/616 ICD device is used with MPLAB ICD 2 to
provide separate clock, data and MCLR pins and frees
all normally available pins to the user.
A special debugging adapter allows the ICD device to
be used in place of a PIC16F610/616/16HV610/616
device. The debugging adapter is the only source of the
ICD device.
When the ICD pin on the PIC16F610/616/16HV610/
616 ICD device is held low, the In-Circuit Debugger
functionality is enabled. This function allows simple
debugging functions when used with MPLAB ICD 2.
When the microcontroller has this feature enabled,
some of the resources are not available for general
use. Table 12-9 shows which features are consumed
by the background debugger.
TABLE 12-9:
DEBUGGER RESOURCES
For more information, see “MPLAB ICD 2 In-Circuit
Debugger User’s Guide” (DS51331), available on
External
Connector
Signals
To Normal
Connections
To Normal
Connections
PIC12F615/12HV615
VDD
VSS
MCLR/VPP/GP3/RA3
GP1
GP0
+5V
0V
VPP
CLK
Data I/O
*
* Isolation devices (as required)
PIC12F609/12HV609
Note:
To erase the device VDD must be above
the Bulk Erase VDD minimum given in the
Memory
Programming
Specification
(DS41284)
Resource
Description
I/O pins
ICDCLK, ICDDATA
Stack
1 level
Program Memory
Address 0h must be NOP
700h-7FFh
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