参数资料
型号: ATAM893T-TKQ
厂商: Atmel
文件页数: 82/98页
文件大小: 0K
描述: IC MON TIRE-PRESS ATARX9X SER
标准包装: 4,000
系列: MARC4
核心处理器: MARC4
芯体尺寸: 4-位
速度: 4MHz
连通性: SSI(2 线,3 线)
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 16
程序存储器容量: 4KB(4K x 8)
程序存储器类型: EEPROM
EEPROM 大小: 64 x 16
RAM 容量: 256 x 4
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 6.5 V
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 20-SOIC(0.209",5.30mm 宽)
包装: 带卷 (TR)
83
4680C–4BMCU–01/05
ATAM893-D
Combination Mode 12: Burst Modulation 2
SSI mode 1:
8-bit shift register internal data output (SO) to the Timer 3
Timer 2 output mode 2:
8-bit compare counter and 4-bit prescaler
Timer 2 output mode 1/6:
Timer 2 compare match toggles (TOG2) to the SSI
Timer 3 mode 7:
Carrier frequency burst modulation controlled by the internal
output (SO) of SSI
The Timer 3 counter is driven by an internal or external clock source. Its compare- and compare
mode registers must be programmed to generate the carrier frequency with the output toggle
flip-flop (M3). The internal data output (SO) of the SSI is used to enable and disable the Timer 3
output. The SSI can be supplied with the toggle signal of Timer 2.
Figure 5-64. Burst Modulation 2
Combination Mode 13: FSK Modulation
SSI mode 1:
8-bit shift register internal data output (SO) to the Timer 3
Timer 2 output mode 3:
8-bit compare counter and 4-bit prescaler
Timer 2 output mode 1/6:
Timer 2 4-bit compare match signal (POUT) to the SSI
Timer 3 mode 8:
FSK modulation with shift register data output (SO)
The two compare registers are used to generate two different time intervals. The SSI data output
selects which compare register is used for the output frequency generation. A '0' level at the SSI
data output enables the compare register 1 and a '1' level enables the compare register 2. The
compare- and compare mode registers must be programmed to generate the two frequencies
via the output toggle flip-flop. The SSI can be supplied with the toggle signal of Timer 2 or any
other clock source. The Timer 3 counter is driven by an internal or external clock source.
0 1 0 1 23 4 5 0 1 01 234 5 0 1 012 3 4 5 010 1
5 010 1
5 0 1 0 1
30
1
2
3
0
1
3
2
CL3
Counter 3
CM31
CM32
TOG3
M3
Counter 2/2
TOG2
SO
T3O
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