参数资料
型号: ATTINY84A-CCU
厂商: Atmel
文件页数: 114/135页
文件大小: 0K
描述: IC MCU 8BIT 8K FLASH 15UFBGA
标准包装: 490
系列: AVR® ATtiny
核心处理器: AVR
芯体尺寸: 8-位
速度: 20MHz
连通性: USI
外围设备: 欠压检测/复位,POR,PWM,温度传感器,WDT
输入/输出数: 12
程序存储器容量: 8KB(4K x 16)
程序存储器类型: 闪存
EEPROM 大小: 512 x 8
RAM 容量: 512 x 8
电压 - 电源 (Vcc/Vdd): 1.8 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: 15-UFBGA
包装: 托盘
MB91470/480 Series
79
b. Slave Mode
(VCC
= 4.0 V to 5.5 V, VSS = AVSS10 = AVSS12 = 0.0 V, TA = 40 °C to + 85 °C)
*1 : tCYCP indicates the peripheral clock cycle time.
*2 : A Fast-mode I2C-bus device can be used in a Standard-mode I2C-bus system, but the requirement
tSUDAT
≥ 250 ns must then be met.
If a device does not extend the “L” period of the SCL signal, it is necessary to output the next piece of data to
the SDA line 1250 ns (SDA and SCL rising Max time
+ tSUDAT) before the SCL line is released.
*3 : For use at over 100 kHz, set the peripheral clock to at least 6 MHz.
*4 : R and C are pull-up resistance and load capacitance of the SCL and SDA lines.
Parameter
Sym-
bol
Pin
name
Condition
Standard Mode
Fast Mode*3
Unit
Remarks
Min
Max
Min
Max
SCL clock
frequency
fSCL
SDAn,
SCLn
R=1 k
,
C=50 pF*4
0
100
0
400
kHz
“L” width of the
SCL clock
tLOW
4.7
1.3
s
“H” width of the
SCL clock
tHIGH
4.0
0.6
s
Bus free time
between STOP
and START
conditions
tBUS
4.7
1.3
s
SCL
↓ → SDA
output delay time
tDLDAT
5
× tCYCP *1
5
× tCYCP *1 ns
Setup time for a
repeated START
condition
SCL
↑ → SDA ↓
tSUSTA
4.7
0.6
s
Hold time for a
repeated START
condition
SDA
↓ → SCL ↓
tHDSTA
4.0
0.6
s
The first
clock pulse
is generated
after this.
Setup time for
STOP condition
SCL
↑ → SDA ↑
tSUSTO
4.0
0.6
s
SDA Data input
hold time
(vs. SCL
↓)
tHDDAT
2
× tCYCP *1
2
× tCYCP *1
s
SDA Data input
setup time
(vs. SCL
↑)
tSUDAT
250
100 *2
ns
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