参数资料
型号: P89C52UBPN
厂商: NXP SEMICONDUCTORS
元件分类: 微控制器/微处理器
英文描述: 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
中文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40
封装: 0.600 INCH, PLASTIC, MO-015AJ, SOT-129-1, DIP-40
文件页数: 2/32页
文件大小: 212K
代理商: P89C52UBPN
Philips Semiconductors
Product specification
89C51/89C52/89C54/89C58
80C51 8-bit microcontroller family
4K/8K/16K/32K Flash
1999 Oct 27
10
Table 3.
Timer 2 Operating Modes
RCLK + TCLK
CP/RL2
TR2
MODE
0
1
16-bit Auto-reload
0
1
16-bit Capture
1
X
1
Baud rate generator
X
0
(off)
OSC
÷ 12
C/T2 = 0
C/T2 = 1
TR2
Control
TL2
(8-bits)
TH2
(8-bits)
TF2
RCAP2L
RCAP2H
EXEN2
Control
EXF2
Timer 2
Interrupt
T2EX Pin
Transition
Detector
T2 Pin
Capture
SU00066
Figure 2. Timer 2 in Capture Mode
Not Bit Addressable
Symbol
Function
Not implemented, reserved for future use.*
T2OE
Timer 2 Output Enable bit.
DCEN
Down Count Enable bit. When set, this allows Timer 2 to be configured as an up/down counter.
T2OE
DCEN
SU00729
76
54
32
1
0
*
User software should not write 1s to reserved bits. These bits may be used in future 8051 family products to invoke new features.
In that case, the reset or inactive value of the new bit will be 0, and its active value will be 1. The value read from a reserved bit is
indeterminate.
Bit
T2MOD
Address = 0C9H
Reset Value = XXXX XX00B
Figure 3. Timer 2 Mode (T2MOD) Control Register
相关PDF资料
PDF描述
P89LPC9241FDH 8-bit microcontroller with accelerated two-clock 80C51 core 2 kB-4 kB-8 kB 3 V byte-erasable flash with 8-bit ADC
P89LPC9251FDH 8-bit microcontroller with accelerated two-clock 80C51 core 2 kB-4 kB-8 kB 3 V byte-erasable flash with 8-bit ADC
P89LPC924FDH 8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB-8 kB 3 V low-power Flash with 8-bit A-D converter
P89LPC925FDH 8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB-8 kB 3 V low-power Flash with 8-bit A-D converter
P89LPC9301FDH 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB-8 kB 3 V byte-erasable flash
相关代理商/技术参数
参数描述
P89C52UFAA 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
P89C52UFAA-T 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller
P89C52UFBB 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
P89C52UFPN 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
P89C52X2 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:80C51 8-bit Flash microcontroller family