参数资料
型号: ATSTK526
厂商: Atmel
文件页数: 15/40页
文件大小: 0K
描述: KIT STARTER FOR AT90USB82/162
产品培训模块: MCU Product Line Introduction
megaAVR Introduction
标准包装: 1
系列: AVR®
类型: MCU
适用于相关产品: AT90USB162,AT90USB82
所含物品: 入门套件板、电源、缆线和软件
产品目录页面: 615 (CN2011-ZH PDF)
配用: ATSTK500-ND - PROGRAMMER AVR STARTER KIT
相关产品: AT90USB82-16MUR-ND - MCU AVR USB 8K FLASH 32-QFN
AT90USB162-16MU-ND - MCU AVR USB 16K FLASH 32-QFN
AT90USB162-16AU-ND - MCU AVR USB 16K FLASH 32-TQFP
AT90USB162-16MURDKR-ND - IC AVR MCU 16K FLASH 32QFN
AT90USB162-16AURDKR-ND - IC AVR MCU 16K FLASH 32TQFP
AT90USB82-16MU-ND - IC AVR MCU 8K FLASH 32QFN
AT90USB162-16MURCT-ND - IC AVR MCU 16K FLASH 32QFN
AT90USB162-16AURCT-ND - IC AVR MCU 16K FLASH 32TQFP
AT90USB162-16MURTR-ND - IC AVR MCU 16K FLASH 32QFN
AT90USB162-16AURTR-ND - IC AVR MCU 16K FLASH 32TQFP
Using the STK526
The STK526 USART implementation allows an optional hardware flow control that can
be enabled thanks to SP2, SP3, SP4, SP5 solder pads.
Figure 2-13 . USART Schematic
VCC
DECOUPLING CAPACITOR
CLOSE TO THE DEVICE
U3
C9
100nF
C10
1
3
4
VCC
C1+
C1-
C2+
V+
V-
2
6
C11
100nF
VCC
C13
100nF
PD[7..0]
PD2
100nF
RxD
5
12
C2-
TTL
.
RS 232
.
C12
100nF
13 RS-RxD
1
P1
PD3
T XD
11
.
.
14
RS-T xD
SP3
6
2
11
SP4
RS-CT S
7
PD7
CT S
10
.
.
7
RS-RT S
3
8
PD6
RT S
9
.
.
8
SP2
4
9
10
SP5
GND
5
MAX3232
RS232 BUFFER
SUB-D9 FEMALE
RS232
Note that the USART peripheral of the AT90USB82/162 includes an automatic
Hardware Flow Control feature that makes the operation transparent for the user.
Table 2-3 . UART Settings
Mode
Software Data Flow
Control
(default configuration)
Solder Pads
Configuration
SP2: open
SP3: open
SP4: open
SP5: open
DB9
Connection (1)
Tx Pin 2
Rx Pin 3
SP2: close
Tx
Pin 2
Optional
Hardware Flow Control
SP3: close
SP4: close
SP5: close
Rx
CTS
RTS
Pin 3
Pin 7
Pin 8
Note:
1. Tx reference: STK526 source, Rx reference: STK526 destination
Figure 2-14 . RS232 Solder Pad Location
2-14
7709B–AVR–07/08
SP5
SP4
SP3
SP2
STK526 rev. B Hardware User Guide
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