參數(shù)資料
型號(hào)： AT43USB353M-AC
廠商： ATMEL CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
中文描述： 8-BIT, MROM, 24 MHz, RISC MICROCONTROLLER, PQFP48
封裝： 7 X 7 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASTIC, MS-026BBC, LQFP-48
文件頁(yè)數(shù)： 39/95頁(yè)
文件大?。?/td> 568K
代理商： AT43USB353M-AC
39
AT43USB353M
3307B–USB–4/04
Timer/Counter1 Control Register A – TCCR1A
Bits 7, 6 – COM1A1, COM1A0: Compare Output Mode1A, Bits 1 and 0
The COM1A1 and COM1A0 control bits determine any output pin action following a compare
match in Timer/Counter1. Any output pin actions affect pin OC1A (Output CompareA) pin 1.
This is an alternative function to an I/O port and the corresponding direction control bit must be
set (one) to control the output pin. The control configuration is shown in Table 14.
Bits 5, 4 –COM1B1, COM1B0: Compare Output Mode1B, Bits 1 and 0
The COM1B1 and COM1B0 control bits determine any output pin action following a compare
match in Timer/Counter1. Any output pin actions affect pin OC1B (Output CompareB). The fol-
lowing control configuration is given:
Note:
1. X = A or B
2. In PWM mode, these bits have a different function. Refer to Table 18 for a detailed
description.
Bits 3..2 –Res: Reserved Bits
These bits are reserved bits in the AT43USB353M and always read zero.
Bits 1..0 –PWM11, PWM10: Pulse Width Modulator Select Bits 1 and 0
These bits select PWM operation of Timer/Counter1 as specified in Table 15.
Bit
7
6
5
4
3
2
1
0
$2F ($4F)
COM1A1
COM1A0
COM1B1
COM1B0
–
–
PWM11
PWM10
TCCR1A
Read/Write
R/W
R/W
R/W
R/W
R
R
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
Table 14.
Compare 1 Mode Select
(2)
COM1X1
COM1X0
Description
0
0
Timer/Counter1 disconnected from output pin OC1X.
(1)
0
1
Toggle the OC1X output line.
(1)
1
0
Clear the OC1X output line (to zero).
(1)
1
1
Set the OC1X output line (to one).
(1)
Table 15.
PWM Mode Select
PWM11
PWM10
Description
0
0
PWM operation of Timer/Counter1 is disabled.
0
1
Timer/Counter1 is an 8-bit PWM.
1
0
Timer/Counter1 is a 9-bit PWM.
1
1
Timer/Counter1 is a 10-bit PWM.
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AT43USB355E-AC 功能描述:8位微控制器 -MCU USB GAME CONTROL w/EMBED HUB-COM TEMP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT43USB355E-AU 功能描述:8位微控制器 -MCU USB GAME CONTROL w/ EMBED HUB RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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