參數(shù)資料
型號: C8051F300DK
廠商: Silicon Laboratories Inc
文件頁數(shù): 67/178頁
文件大?。?/td> 0K
描述: DEV KIT F300/301/302/303/304/305
標準包裝: 1
類型: MCU
適用于相關產品: Silicon Laboratories C8051 F300/001/002
所含物品: 評估板,電源,USB 線纜,適配器和文檔
產品目錄頁面: 626 (CN2011-ZH PDF)
相關產品: 336-1535-5-ND - IC 8051 MCU 8K FLASH 14-SOIC
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336-1185-ND - IC 8051 MCU 32K FLASH 48TQFP
其它名稱: 336-1246
Rev. 2.9
159
C8051F300/1/2/3/4/5
16.2.2. Software Timer (Compare) Mode
In Software Timer mode, the PCA counter/timer value is compared to the module's 16-bit capture/compare
register (PCA0CPHn and PCA0CPLn). When a match occurs, the Capture/Compare Flag (CCFn) in
PCA0CN is set to logic 1 and an interrupt request is generated if CCF interrupts are enabled. The CCFn bit
is not automatically cleared by hardware when the CPU vectors to the interrupt service routine, and must
be cleared by software. Setting the ECOMn and MATn bits in the PCA0CPMn register enables Software
Timer mode.
Important Note About Capture/Compare Registers: When writing a 16-bit value to the PCA0 Capture/
Compare registers, the low byte should always be written first. Writing to PCA0CPLn clears the ECOMn bit
to ‘0’; writing to PCA0CPHn sets ECOMn to ‘1’.
Figure 16.5. PCA Software Timer Mode Diagram
Match
16-bit Comparator
PCA0H
PCA0CPHn
Enable
PCA0L
PCA
Timebase
PCA0CPLn
00
0
1
x
ENB
0
1
Write to
PCA0CPLn
Write to
PCA0CPHn
Reset
PCA0CPMn
P
W
M
1
6
n
E
C
O
M
n
E
C
F
n
T
O
G
n
P
W
M
n
C
A
P
n
C
A
P
N
n
M
A
T
n
x
PCA0CN
C
F
C
R
C
F
0
C
F
2
C
F
1
PCA Interrupt
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C8051F300DK-A 功能描述:DEV KIT FOR F300/301/302/304/305 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 過時/停產零件編號 系列:- 標準包裝:1 系列:- 類型:MCU 適用于相關產品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、纜線、軟件、數(shù)據表和用戶手冊 其它名稱:520-1035
C8051F300DK-B 功能描述:DEV KIT FOR F300/301/302/304/305 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 過時/停產零件編號 系列:- 標準包裝:1 系列:- 類型:MCU 適用于相關產品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、纜線、軟件、數(shù)據表和用戶手冊 其它名稱:520-1035
C8051F300DK-E 功能描述:DEV KIT FOR F300/301/302/304/305 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 過時/停產零件編號 系列:- 標準包裝:1 系列:- 類型:MCU 適用于相關產品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、纜線、軟件、數(shù)據表和用戶手冊 其它名稱:520-1035
C8051F300DK-G 功能描述:8位微控制器 -MCU MCU DEVELOPMENT KIT W/ GLOBAL POWER SPLY RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據 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 安裝風格:SMD/SMT
C8051F300DK-H 功能描述:DEV KIT FOR F300/301/302/304/305 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 過時/停產零件編號 系列:- 標準包裝:1 系列:- 類型:MCU 適用于相關產品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、纜線、軟件、數(shù)據表和用戶手冊 其它名稱:520-1035