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| 型号： | SAB-C501G-LM |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 12 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | PLASTIC, MQFP-44 |
| 文件页数： | 11/48页 |
| 文件大小： | 319K |
| 代理商： | SAB-C501G-LM |
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Semiconductor Group
19
1997-04-01
C501
Timer / Counter 0 and 1
Timer/counter 0 and 1 can be used in four operating modes as listed in table 4.
In the “timer” function (C/T = ‘0’) the register is incremented every machine cycle. Therefore the
count rate is
f
OSC/12.
In the “counter” function the register is incremented in response to a 1-to-0 transition at its
corresponding external input pin (P3.4/T0, P3.5/T1). Since it takes two machine cycles to detect a
falling edge the max. count rate is
f
OSC/24. External inputs INTO and INT1 (P3.2, P3.3) can be
programmed to function as a gate to facilitate pulse width measurements. Figure 8 illustrates the
input clock logic.
Figure 8
Timer/Counter 0 and 1 Input Clock Logic
Table 4
Timer/Counter 0 and 1 Operating Modes
Mode
Description
TMOD
Input Clock
Gate
C/T
M1
M0
internal
external (max)
0
8-bit timer/counter with a
divide-by-32 prescaler
XX
0
f
OSC/12
× 32
f
OSC/24
× 32
1
16-bit timer/counter
X
1
f
OSC/12
f
OSC/24
2
8-bit timer/counter with
8-bit autoreload
XX
0
f
OSC/12
f
OSC/24
3
Timer/counter 0 used as one
8-bit timer/counter and one
8-bit timer
Timer 1 stops
XX
1
f
OSC/12
f
OSC/24
12
f OSC/12
MCS01768
OSC
f
C/T
TMOD
0
Control
Timer 0/1
Input Clock
TCON
TR 0/1
Gate
TMOD
&
=1
1
P3.4/T0
P3.5/T1
max
P3.2/INT0
P3.3/INT1
OSC/24
f
1
÷
_
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相关PDF资料 |
PDF描述 |
|---|---|
| SAB-C501G-1E24N | 8-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQCC44 |
| SAF-C501G-1EN | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQCC44 |
| SAF-C501G-1EP | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP40 |
| SAF-C501G-1R24P | 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP40 |
| SAF-C501G-1E24P | 8-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PDIP40 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAB-C501G-LN | 制造商:Siemens 功能描述:8-BIT, 12 MHz, MICROCONTROLLER, PQCC44 |
| SABC501G-LN | 制造商:Siemens 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC |
| SABC501GLP | 制造商:Infineon Technologies AG 功能描述:8bit MCU, CISC, ROMLESS, C500 Family |
| SAB-C501G-LP | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C501-LN | 制造商:Siemens 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC |
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