参数资料
型号: AT90USB1287-16AUR
厂商: Atmel
文件页数: 84/106页
文件大小: 0K
描述: IC MCU AVR 128K ISP USB TQFP64
产品培训模块: megaAVR Introduction
标准包装: 1,000
系列: AVR® 90USB
核心处理器: AVR
芯体尺寸: 8-位
速度: 16MHz
连通性: EBI/EMI,I²C,SPI,UART/USART,USB,USB OTG
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 48
程序存储器容量: 128KB(128K x 8)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-LQFP
包装: 带卷 (TR)
配用: ATSTK600-ND - DEV KIT FOR AVR/AVR32
ATSTK525-ND - KIT STARTER FOR AT90USB
AT90USBKEY2-ND - KIT DEMO FOR AT90USB
79
7593L–AVR–09/12
AT90USB64/128
Note:
1. ADA is short for ADdress Active and represents the time when address is output. See “Exter-
11.3.3
Alternate functions of Port B
The Port B pins with alternate functions are shown in Table 11-6.
The alternate pin configuration is as follows:
OC0A/OC1C/PCINT7, bit 7
OC0A, Output Compare Match A output: The PB7 pin can serve as an external output for the
Timer/Counter0 Output Compare. The pin has to be configured as an output (DDB7 set “one”) to
serve this function. The OC0A pin is also the output pin for the PWM mode timer function.
Table 11-5.
Overriding signals for alternate functions in PA3..PA0.
Signal
name
PA3/AD3
PA2/AD2
PA1/AD1
PA0/AD0
PUOE
SRE
PUOV
~(WR | ADA)
PORTA3 PUD
~(WR | ADA)
PORTA2 PUD
~(WR | ADA)
PORTA1 PUD
~(WR | ADA)
PORTA0 PUD
DDOE
SRE
DDOV
WR | ADA
PVOE
SRE
PVOV
A3 ADA | D3
OUTPUT WR
A2 ADA | D2
OUTPUT WR
A1 ADA | D1
OUTPUT WR
A0 ADA | D0
OUTPUT WR
DIEOE
0
DIEOV
0
DI
D3 INPUT
D2 INPUT
D1 INPUT
D0 INPUT
AIO
Table 11-6.
Port B pins alternate functions.
Port pin
Alternate functions
PB7
OC0A/OC1C/PCINT7 (Output Compare and PWM Output A for Timer/Counter0,
Output Compare and PWM Output C for Timer/Counter1 or Pin Change Interrupt 7)
PB6
OC1B/PCINT6 (Output Compare and PWM Output B for Timer/Counter1 or Pin
Change Interrupt 6)
PB5
OC1A/PCINT5 (Output Compare and PWM Output A for Timer/Counter1 or Pin
Change Interrupt 5)
PB4
OC2A/PCINT4 (Output Compare and PWM Output A for Timer/Counter2 or Pin
Change Interrupt 4)
PB3
PDO/MISO/PCINT3 (Programming Data Output or SPI Bus Master Input/Slave
Output or Pin Change Interrupt 3)
PB2
PDI/MOSI/PCINT2 (Programming Data Input orSPI Bus Master Output/Slave Input
or Pin Change Interrupt 2)
PB1
SCK/PCINT1 (SPI Bus Serial Clock or Pin Change Interrupt 1)
PB0
SS/PCINT0 (SPI Slave Select input or Pin Change Interrupt 0)
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