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参数资料
型号： ATTINY13V-10SUR
厂商： Atmel
文件页数： 125/176页
文件大小： 0K
描述： MCU AVR 1KB FLASH 10MHZ 8SOIC
产品培训模块： tinyAVR Introduction
标准包装： 2,000
系列： AVR® ATtiny
核心处理器： AVR
芯体尺寸： 8-位
速度： 10MHz
外围设备： 欠压检测/复位，POR，PWM，WDT
输入/输出数： 6
程序存储器容量： 1KB（512 x 16）
程序存储器类型： 闪存
EEPROM 大小： 64 x 8
RAM 容量： 64 x 8
电压 - 电源 (Vcc/Vdd)： 1.8 V ~ 5.5 V
数据转换器： A/D 4x10b
振荡器型： 内部
工作温度： -40°C ~ 85°C
封装/外壳： 8-SOIC（0.209"，5.30mm 宽）
包装： 带卷 (TR)
其它名称： ATTINY13V-10SUR-ND
ATTINY13V-10SURTR
52
2535J–AVR–08/10
ATtiny13
The following code example shows how to set port B pins 0 and 1 high, 2 and 3 low, and define
the port pins from 4 to 5 as input with a pull-up assigned to port pin 4. The resulting pin values
are read back again, but as previously discussed, a nop instruction is included to be able to read
back the value recently assigned to some of the pins.
Note:
1. For the assembly program, two temporary registers are used to minimize the time from pull-
ups are set on pins 0, 1 and 4, until the direction bits are correctly set, defining bit 2 and 3 as
low and redefining bits 0 and 1 as strong high drivers.
10.2.5
Digital Input Enable and Sleep Modes
As shown in Figure 10-2 on page 49, the digital input signal can be clamped to ground at the
input of the schmitt-trigger. The signal denoted SLEEP in the figure, is set by the MCU Sleep
Controller in Power-down mode, Power-save mode, and Standby mode to avoid high power
consumption if some input signals are left floating, or have an analog signal level close to VCC/2.
SLEEP is overridden for port pins enabled as external interrupt pins. If the external interrupt
request is not enabled, SLEEP is active also for these pins. SLEEP is also overridden by various
other alternate functions as described in “Alternate Port Functions” on page 53.
If a logic high level (“one”) is present on an asynchronous external interrupt pin configured as
“Interrupt on Rising Edge, Falling Edge, or Any Logic Change on Pin” while the external interrupt
is not enabled, the corresponding External Interrupt Flag will be set when resuming from the
Assembly Code Example(1)
...
; Define pull-ups and set outputs high
; Define directions for port pins
ldi
r16,(1<<PB4)|(1<<PB1)|(1<<PB0)
ldi
r17,(1<<DDB3)|(1<<DDB2)|(1<<DDB1)|(1<<DDB0)
out
PORTB,r16
out
DDRB,r17
; Insert nop for synchronization
nop
; Read port pins
in
r16,PINB
...
C Code Example
unsigned char
i;
...
/* Define pull-ups and set outputs high */
/* Define directions for port pins */
PORTB = (1<<PB4)|(1<<PB1)|(1<<PB0);
DDRB = (1<<DDB3)|(1<<DDB2)|(1<<DDB1)|(1<<DDB0);
/* Insert nop for synchronization*/
__no_operation();
/* Read port pins */
i = PINB;
...
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