參數(shù)資料
型號(hào)： W78IRD2A
廠商： WINBOND ELECTRONICS CORP
元件分類： 8位微控制器
英文描述： 8-BIT MICROCONTROLLER
中文描述： 8位微控制器
文件頁(yè)數(shù)： 11/76頁(yè)
文件大?。?/td> 646K
代理商： W78IRD2A
W78IRD2/W78IRD2A
Publication Release Date: February 14, 2007
- 11 -
Revision A9
BIT
NAME
FUNCTION
7
TF1
Timer 1 overflow flag: This bit is set when Timer 1 overflows. It is cleared
automatically when the program does a timer 1 interrupt service routine. It can also
be set or cleared by software.
6
TR1
1: Turn on Timer 1.
0: Turn off Timer 1.
5
TF0
Timer 0 overflow flag: This bit is set when Timer 0 overflows. It is cleared
automatically when the program does a timer 0 interrupt service routine. It can also
be set or cleared by software.
4
TR0
1: Turn on Timer 0.
0: Turn off Timer 0.
3
IE1
Interrupt 1 Edge Detect: This bit is set by the hardware when a falling-edge / low-
level is detected on
INT1
. If
INT1
is edge-triggered, this bit is cleared by the
hardware when the interrupt service routine begins. Otherwise, it follows the pin.
2
IT1
Interrupt 1 type control
1: Interrupt 1 is triggered by a falling-edge on
INT1
.
0: Interrupt 1 is triggered by a low-level on
INT1
.
1
IE0
Interrupt 0 Edge Detect: This bit is set by the hardware when a falling-edge / low-
level is detected on
INT0
. If
INT0
is edge-triggered, this bit is cleared by the
hardware when the interrupt service routine begins. Otherwise, it follows the pin.
0
IT0
Interrupt 0 type control
1: Interrupt 0 is triggered by a falling-edge on
INT0
.
0: Interrupt 0 is triggered by a low-level on
INT0
.
Timer Mode Control
Bit:
7
6
5
4
3
2
1
0
GATE
T
C/
M1
M0
GATE
T
C/
M1
M0
Mnemonic: TMOD Address: 89h
BIT
NAME
FUNCTION
7
GATE
Gating control: When this bit is set, Timer/Counter 1 is enabled only while the
INT1
pin is high and the TR1 control bit is set. When cleared, the
INT1
pin has no effect,
and Timer 1 is enabled whenever TR1 is set.
6
T
C/
Timer or Counter Select: When cleared, Timer 1 is incremented by the internal
clock. When set, Timer 1 counts falling edges on the T1 pin.
5
M1
Timer 1 Mode Select bits: See below.
4
M0
Timer 1 Mode Select bits: See below.
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