參數(shù)資料
型號(hào)： ADUC814ARU
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 33/72頁(yè)
文件大?。?/td> 0K
描述： IC ADC 12BIT W/FLASH MCU 28TSSOP
標(biāo)準(zhǔn)包裝： 50
系列： MicroConverter® ADuC8xx
核心處理器： 8052
芯體尺寸： 8-位
速度： 16.78MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： POR，PSM，溫度傳感器，WDT
輸入/輸出數(shù)： 17
程序存儲(chǔ)器容量： 8KB（8K x 8）
程序存儲(chǔ)器類型： 閃存
EEPROM 大?。?/td> 640 x 8
RAM 容量： 256 x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 6x12b; D/A 2x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 125°C
封裝/外殼： 28-TSSOP（0.173"，4.40mm 寬）
包裝： 管件
配用： EVAL-ADUC814QSZ-ND - KIT DEV FOR ADUC814 MICROCONVRTR
ADuC814
Rev. A | Page 39 of 72
TIMECON
TIC CONTROL REGISTER
SFR Address
A1H
Power-On Default
00H
Bit Addressable
No
---
TFH
ITS1
ITS0
STI
TII
TIEN
TCEN
Table 14. TIMECON SFR Bit Designations
Bit No.
Name
Description
7
---
Reserved.
6
TFH
Twenty-Four Hour Select Bit.
Set by the user to enable the HOUR counter to count from 0 to 23.
Cleared by the user to enable the HOUR counter to count from 0 to 255.
The time interval counter continues to count after a reset when in hours/min/sec mode. If the part is in 24 hour
mode though, this bit is reset and the part now counts in 255 hour mode. The following code segment can be used
to set the TIC back into 24 hour mode after a RESET event.
MOV
A,TIMECON
;Move contents of TIMECON into ACC
RRC
A
;Rotate ACC right by 1 place into Carry
JNC
NOTSET
;If CARRY bit is ! = 1 jump to NOTSET, else continue with next line
ORL
TIMECON,#01000000B
;If CARRY bit = 1 for last line, then logical OR TIMECON with 40H
NOTSE:
;continuation of normal code from here
ITS1
Interval Timebase Selection Bits.
4
ITS0
Written by the user to determine the interval counter update rate.
ITS1
ITS0
Interval Timebase
0
1/128 Second
0
1
Seconds
1
0
Minutes
1
Hours
3
STI
Single Time Interval Bit.
Set by the user to generate a single interval timeout. If set, a timeout clears the TIEN bit.
Cleared by the user to allow the interval counter to be automatically reloaded and start counting again at each
interval timeout.
2
TII
TIC Interrupt Bit.
Set when the 8-bit interval counter matches the value in the INTVAL SFR.
Cleared by the user software.
1
TIEN
Time Interval Enable Bit.
Set by the user to enable the 8-bit time interval counter.
Cleared by the user to disable and clear the contents of the interval counter.
0
TCEN
Time Clock Enable Bit.
Set by the user to enable the time clock to the time interval counters.
Cleared by the user to disable the clock to the time interval counters and clear the time interval SFRs.
The time registers (HTHSEC, SEC, MIN and HOUR) can be written while TCEN is low.
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