參數(shù)資料
型號(hào): ATAM893T-TKQ
廠商: Atmel
文件頁數(shù): 48/98頁
文件大?。?/td> 0K
描述: IC MON TIRE-PRESS ATARX9X SER
標(biāo)準(zhǔn)包裝: 4,000
系列: MARC4
核心處理器: MARC4
芯體尺寸: 4-位
速度: 4MHz
連通性: SSI(2 線,3 線)
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲(chǔ)器容量: 4KB(4K x 8)
程序存儲(chǔ)器類型: EEPROM
EEPROM 大小: 64 x 16
RAM 容量: 256 x 4
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 6.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
包裝: 帶卷 (TR)
52
4680C–4BMCU–01/05
ATAM893-D
Timer 3 – Mode 8:
FSK Modulation with Shift Register Data (SO)
The two compare registers are used for generating two different time intervals. The SSI internal
data output (SO) selects which compare register is used for the output frequency generation. A
'0' level at the SSI data output enables the compare register 1. A '1' level enables compare reg-
ister 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. The Timer 3 counter is driven by an internal or external clock source. The Timer 2
counter is driven by the Counter 3 (TOG3) (see section “Combination Mode 13”).
Figure 5-31. FSK Modulation
Timer 3 – Mode 9:
Pulse-width Modulation with the Shift Register
The two compare registers are used for generating two different time intervals. The SSI internal
data output (SO) selects which compare register is used for the output pulse generation. In this
mode both compare- and compare mode registers must be programmed for generating the two
pulse widths. It is also useful to enable the single-action mode for extreme duty cycles. Timer 2
is used as baud-rate generator and for the trigger restart of Timer 3. The SSI must be supplied
with a toggle signal of Timer 2. The counter is driven by an internal or external clock source (see
section “Combination Mode 7”).
Figure 5-32. Pulse-width Modulation
012340 1 23401 2 3
Counter 3
CM31
CM32
SO
40 1 2 0 12012 0 120 1 201201 20 1 2 3
T3R
40
T3O
1
01
0
000 00 00 00
0 0 0 0
Counter 3
CM31
CM32
T3O
00 0 0 0 1 234 5 6 7 8 9101112131415 0 1234 5
TOG2
67 8
1
9
1112
10
14
13
0
2 3
14
15
0
1
SIR
SO
SCO
T3R
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