参数资料
型号: P87C552
厂商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller(80C51八位微控制器)
中文描述: 80C51的8位微控制器(80C51的八位微控制器)
文件页数: 16/74页
文件大小: 368K
代理商: P87C552
Philips Semiconductors
Preliminary specification
P87C552
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
2
C, PWM,
capture/compare, high I/O, low voltage (2.7V–5.5V), low power
1999 Mar 30
16
ECT0
BIT
SYMBOL
FUNCTION
IEN1.7
IEN1.6
IEN1.5
IEN1.4
IEN1.3
IEN1.2
IEN1.1
IEN1.0
ET2
ECM2
ECM1
ECM0
ECT3
ECT2
ECT1
ECT0
Enable Timer T2 overflow interrupt(s)
Enable T2 Comparator 2 interrupt
Enable T2 Comparator 1 interrupt
Enable T2 Comparator 0 interrupt
Enable T2 Capture register 3 interrupt
Enable T2 Capture register 2 interrupt
Enable T2 Capture register 1 interrupt
Enable T2 Capture register 0 interrupt
SU01083
ECT1
ECT2
ECT3
ECM0
ECM1
ECM2
ET2
0
1
2
3
4
5
6
7
(LSB)
(MSB)
IEN1 (E8H)
Reset Value = 00H
Figure 10. Timer T2 Interrupt Enable Register (IEN1)
T2MS0
BIT
TM2CON.7
TM2CON.6
TM2CON.5
SYMBOL
TSIS1
T2IS0
T2ER
FUNCTION
Timer T2 16-bit overflow interrupt select
Timer T2 byte overflow interrupt select
Timer T2 external reset enable. When this bit is set,
Timer T2 may be reset by a rising edge on RT2 (P1.5).
Timer T2 byte overflow interrupt flag
TM2CON.4
TM2CON.3
TM2CON.2
T2BO
T2P1
T2P0
TM2CON.1
TM2CON.0
T2MS1
T2MS0
SU01084
T2MS1
T2P0
T2P1
T2BO
T2ER
T2IS0
T2IS1
0
1
2
3
4
5
6
7
(LSB)
(MSB)
TM2CON (EAH)
Timer T2 prescaler select
T2P1
0
0
1
1
T2P0
0
1
0
1
Timer T2 Clock
Clock source
Clock source/2
Clock source/4
Clock source/8
Timer T2 mode select
0
0
1
1
0
1
0
1
Timer T2 halted (off)
T2 clock source = f
OSC
/12
Test mode; do not use
T2 clock source = pin T2
T2MS1
T2MS0
Mode Selected
Reset Value = 00H
Figure 11. T2 Control Register (TM2CON)
相关PDF资料
PDF描述
P87C554SBBD 80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP
P83C554SBBD 80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP
P80C554SBBD 80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP
P87C554SFBD 80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP
P83C554SFBD 80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP
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