參數(shù)資料
型號(hào)： TC83220-0028
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP42
封裝： 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-42
文件頁(yè)數(shù)： 8/15頁(yè)
文件大小： 224K
代理商： TC83220-0028
TC83220-0028
2003-03-31
2
Kinds of lock key (refer to page 5.): “NP” printing mode selectable switch. (ON: nonprinting mode. OFF:
printing mode.)
“Σ” summation mode selectable switch.
“5/4” “CUT” “UP” rounding switch. (“5/4”: “CUT” and “UP” lock key off.)
Fixed point mode selectable switch.
“0”, “2”, “3”, “4”, “6”, “F”, “A”. (“A”: ADD mode. “F”: full floating mode,
all decimal setting lock key off.)
“IC+” item counter mode selectable switch.
“GT” grand total memory selectable switch.
“SET”, “CAL” tax memory selectable switch. (“SET”: set mode. “CAL”:
normal calculation mode.)
Duty of display: Duty = 1/17.77
Leading zero suppression
Trailing zero suppression
Tax calculation (refer to page 5.): +TAX key is calculation for included tax.
TAX key is calculation for excluded tax.
SET selects set mode for tax rate.
CAL selects normal calculation mode.
Changing lock key from SET to CAL stores number of display to tax
memory.
Changing lock key from CAL to SET recalls tax rate to display from
tax memory.
Depression of +TAX following data key at normal calculation mode
performs the calculating included tax.
Depression of TAX following data key at normal calculation mode
performs the calculating excluded tax.
Electrical Features
P-MOS output buffer with pull down resistor for direct driving of fluorescent display tube.
Oscillator/clock generator internal to chip.
Key board encoding internal to chip.
Shrink dual in line package.
Protection
(1)
Double depression of keys will be inoperative.
(2)
In the overflow condition, all key except “C”, “CE”, “Feed”, “→” key are inoperative.
(3)
Key bouncing protection (at 4 MHz clock)
Key read in: 15 ms
Key off: 40 ms
相關(guān)PDF資料
PDF描述
TC83220-0029 SPECIALTY CONSUMER CIRCUIT, PDIP42
TC83230-0004 SPECIALTY CONSUMER CIRCUIT, PQFP80
TC83230-0009 SPECIALTY CONSUMER CIRCUIT, PDIP42
TC83230-0010 SPECIALTY CONSUMER CIRCUIT, PQFP80
TC83230-0012 SPECIALTY CONSUMER CIRCUIT, PQFP80
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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