参数资料
型号: ATTINY15L-1PC
厂商: Atmel
文件页数: 3/85页
文件大小: 0K
描述: IC AVR MCU 1K FLASH 2.7V 8DIP
标准包装: 50
系列: AVR® ATtiny
核心处理器: AVR
芯体尺寸: 8-位
速度: 1.6MHz
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
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
11
ATtiny15L
1187H–AVR–09/07
Note:
1. Reserved and unused locations are not shown in the table.
All ATtiny15L I/O and peripheral registers are placed in the I/O space. The I/O locations
are accessed by the IN and OUT instructions transferring data between the 32 general
purpose working registers and the I/O space. I/O Registers within the address range
$00 - $1F are directly bit-accessible using the SBI and CBI instructions. In these regis-
ters, the value of single bits can be checked by using the SBIS and SBIC instructions.
Refer to the instruction set chapter for more details. For compatibility with future
devices, reserved bits should be written zero if accessed. Reserved I/O memory
addresses should never be written.
The I/O and Peripheral Control Registers are explained in the following sections.
The Status Register – SREG
The AVR Status Register – SREG – at I/O space location $3F is defined as:
Bit 7 – I: Global Interrupt Enable
The Global Interrupt Enable bit must be set (one) for the interrupts to be enabled. The
individual interrupt enable control is then performed in the Interrupt Mask Registers –
GIMSK and TIMSK. If the Global Interrupt Enable Register is cleared (zero), none of the
interrupts are enabled independent of the GIMSK and TIMSK values. The I-bit is cleared
by hardware after an interrupt has occurred, and is set by the RETI instruction to enable
subsequent interrupts.
Bit 6 – T: Bit Copy Storage
The Bit Copy instructions BLD (Bit LoaD) and BST (Bit STore) use the T-bit as source
and destination for the operated bit. A bit from a register in the Register File can be cop-
ied into T by the BST instruction, and a bit in T can be copied into a bit in a register in the
Register File by the BLD instruction.
Bit 5 – H: Half-carry Flag
The Half-carry Flag H indicates a half-carry in some arithmetic operations. See the
Instruction Set description for detailed information.
Bit 4 – S: Sign Bit, S = N
⊕ V
The S-bit is always an exclusive or between the Negative Flag N and the Two’s Comple-
ment Overflow Flag V. See the Instruction Set description for detailed information.
Bit 3 – V: Two’s Complement Overflow Flag
The Two’s Complement Overflow Flag V supports two’s complement arithmetics. See
the Instruction Set description for detailed information.
$06
ADCSR
ADC Control and Status Register
$05
ADCH
ADC Data Register High
$04
ADCL
ADC Data Register Low
Table 2. ATtiny15L I/O Space
(1) (Continued)
Address Hex
Name
Function
Bit
765
432
10
$3F
I
T
H
S
V
N
Z
C
SREG
Read/Write
R/W
Initial Value
0
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