參數(shù)資料
型號: C8051F005
廠商: Cygnal Technologies
英文描述: 25 MIPS,32k Flash,2.25k Ram,12bit ADC,64 Pin MCU(25 MIPS,32k 閃速存儲器,2.25k Ram,12位 ADC,64 腳 MCU)
中文描述: 25 MIPS的,32K閃存,2.25k羊,12位ADC,64引腳微控制器(25 MIPS的,32K的閃速存儲器,2.25k羊,12位ADC和64腳微控制器)
文件頁數(shù): 150/170頁
文件大?。?/td> 1294K
代理商: C8051F005
Page 150
CYGNAL Integrated Products, Inc.
2001
4.2001; Rev. 1.3
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
PRELIMINARY
19.3.
Timer 3 is a 16-bit timer formed by the two 8-bit SFRs, TMR3L (low byte) and TMR3H (high byte). The input for
Timer 3 is the system clock (divided by either one or twelve as specified by the Timer 3 Clock Select bit T3M in the
Timer 3 Control Register TMR3CN). Timer 3 is always configured as an auto-reload timer, with the reload value
held in the TMR3RLL (low byte) and TMR3RLH (high byte) registers. Timer 3 can be used to start an ADC Data
Conversion, for SMBus timing (see Section 16.5), or as a general-purpose timer. Timer 3 does not have a counter
mode.
Timer 3
Figure 19.19. Timer 3 Block Diagram
Figure 19.20. TMR3CN: Timer 3 Control Register
R/W
TF3
Bit7
R/W
-
Bit6
R/W
-
Bit5
R/W
-
Bit4
R/W
-
Bit3
R/W
TR3
Bit2
R/W
T3M
Bit1
R/W
-
Bit0
Reset Value
00000000
SFR Address:
0x91
Bit7:
TF3: Timer3 Overflow Flag.
Set by hardware when Timer 3 overflows from 0xFFFF to 0x0000. When the Timer 3
interrupt is enabled, setting this bit causes the CPU to vector to the Timer 3 Interrupt
service routine. This bit is not automatically cleared by hardware and must be cleared by
software.
Bits6-3: UNUSED. Read = 0000b, Write = don’t care.
Bit2:
TR3: Timer 3 Run Control.
This bit enables/disables Timer 3.
0: Timer 3 disabled.
1: Timer 3 enabled.
Bit1:
T3M: Timer 3 Clock Select.
This bit controls the division of the system clock supplied to Counter/Timer 3.
0: Counter/Timer 3 uses the system clock divided by 12.
1: Counter/Timer 3 uses the system clock.
Bit0:
UNUSED. Read = 0, Write = don’t care.
TMR3L
TMR3H
TR3
SYSCLK
12
0
1
TCLK
TMR3RLL TMR3RLH
Reload
Interrupt
T
TR3
T3M
TF3
T3M
TOE
SCL
(from SMBus)
(to ADC)
Crossbar
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
C8051F005/0046 制造商:Silicon Laboratories Inc 功能描述:
C8051F005DK 功能描述:開發(fā)板和工具包 - 8051 MCU DEVELOPMENT KIT W/ US POWER SUPPLY RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓:
C8051F005DK-A 功能描述:DEV KIT FOR C8051F005/F006/F007 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶手冊 其它名稱:520-1035
C8051F005DK-B 功能描述:DEV KIT FOR C8051F005/F006/F007 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶手冊 其它名稱:520-1035
C8051F005DK-E 功能描述:DEV KIT FOR C8051F005/F006/F007 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶手冊 其它名稱:520-1035