參數(shù)資料
型號: AT89LP428-20MH
廠商: Atmel
文件頁數(shù): 110/149頁
文件大小: 0K
描述: MCU 8051 4K FLASH SPI 32VQFN
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
標準包裝: 490
系列: 89LP
核心處理器: 8051
芯體尺寸: 8-位
速度: 20MHz
連通性: SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 30
程序存儲器容量: 4KB(4K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 512 x 8
RAM 容量: 768 x 8
電壓 - 電源 (Vcc/Vdd): 2.4 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 32-VFQFN 裸露焊盤
包裝: 托盤
63
3654A–MICRO–8/09
AT89LP428/828
Note:
All writes/reads to/from T2CCH will access channel X as currently selected by T2CCA.The data registers for the remaining
unselected channels are not accessible.
Note:
All writes/reads to/from T2CCL will access channel X as currently selected by T2CCA.The data registers for the remaining
unselected channels are not accessible.
Table 13-1.
T2CCA – Timer/Counter 2 Compare/Capture Address
T2CCA Address = 0D1H
Reset Value = xxxx xx00B
Not Bit Addressable
T2CCA.1
T2CCA.0
Bit
7
654
321
0
Symbol
Function
T2CCA
[1 - 0]
Compare/Capture Address. Selects which CCA channel is currently accessible through the T2CCH, T2CCL and T2CCC
registers. Only one channel may be accessed at a time.
T2CCA1
T2CCA0
Channel
0
A – T2CCH, T2CCL and T2CCC access data and control for Channel A
0
1
B – T2CCH, T2CCL and T2CCC access data and control for Channel B
1
0
C – T2CCH, T2CCL and T2CCC access data and control for Channel C
1
D – T2CCH, T2CCL and T2CCC access data and control for Channel D
Table 13-2.
T2CCH – Timer/Counter 2 Compare/Capture Data High
T2CCH Address = 0D2H
Reset Value = 0000 0000B
Not Bit Addressable
T2CCD.15
T2CCD.14
T2CCD.13
T2CCD.12
T2CCD.11
T2CCD.10
T2CCD.9
T2CCD.8
Bit
7
654
321
0
Symbol
Function
T2CCD
[15 - 8]
Compare/Capture Data (High Byte). Reads from T2CCH will return the high byte from the CCA channel currently
selected by T2CCA. The high byte of the selected CCA channel will be updated with the contents of T2CCH when
T2CCL is written. When writing multiple channels with the same high byte, T2CCH need not be updated between writes
to T2CCL.
Table 13-3.
T2CCL – Timer/Counter 2 Compare/Capture Data Low
T2CCC Address = 0D3H
Reset Value = 0000 0000B
Not Bit Addressable
T2CCD.7
T2CCD.6
T2CCD.5
T2CCD.4
T2CCD.3
T2CCD.2
T2CCD.1
T2CCD.0
Bit
7
654
321
0
Symbol
Function
T2CCD
[7 - 0]
Compare/Capture Data (Low Byte). Reads from T2CCL will return the low byte from the CCA channel currently selected
by T2CCA. Writes to T2CCL will update the selected CCA channel with the 16-bit contents of T2CCH and T2CCL.
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