參數(shù)資料
型號: IA6805E2PLC44IR0
廠商: Innovasic Semiconductor
文件頁數(shù): 10/33頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 5MHZ 44PLCC
標準包裝: 270
芯體尺寸: 8-位
速度: 5MHz
外圍設備: POR
輸入/輸出數(shù): 20
程序存儲器類型: 外部程序存儲器
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
IA6805E2
29 August 2007
Microprocessor Unit
As of Production Version 00
TCR (Timer Control Register ($0009)):
An 8-bit register that controls functions such as configuring operation mode, setting ratio of
the prescaler, and generating timer interrupt request signals. All bits except bit 3 are
read/write. Bits TCR5 - TCR0 are unaffected by reset_n.
76543210
TCR7 TCR6 TCR5 TCR4 TCR3 TCR2 TCR1 TCR0
Reset:
01000000
TCR7 – Timer Interrupt Request
Used to indicate the timer interrupt when it is logic one.
1 – Set when the counter decrements to zero or under program control.
0 – Cleared on external reset, POR, STOP instruction, or program control.
TCR6 – Timer Interrupt Mask
Used to inhibit the timer interrupt.
1 – Interrupt inhibited. Set on external reset, POR, STOP instruction, or program
control.
0 – Interrupt enabled.
TCR5 – External or Internal
Selects input clock source. Unaffected by reset.
1 – External clock selected.
0 – Internal clock selected (AS) (f
OSC/5).
TCR4 – Timer External Enable
Used to enable external timer pin or to enable the internal clock. Unaffected by reset.
1 – Enables external timer pin.
0 – Disables external timer pin.
Copyright 2007
IA211081401-03
www.Innovasic.com
Customer Support:
Page 18 of 33
1-888-824-4184
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