参数资料
型号: MC68HC08QY4CDWE
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
封装: 1.27 MM PITCH, LEAD FREE, PLASTIC, MS-013AA, SOIC-16
文件页数: 25/178页
文件大小: 2311K
代理商: MC68HC08QY4CDWE
Timer Interface Module (TIM)
MC68HC08QY/QT Family Data Sheet, Rev. 1
120
Freescale Semiconductor
Figure 14-1. Block Diagram Highlighting TIM Block and Pins
14.3.2 Input Capture
With the input capture function, the TIM can capture the time at which an external event occurs. When an
active edge occurs on the pin of an input capture channel, the TIM latches the contents of the counter into
the TIM channel registers, TCHxH:TCHxL. The polarity of the active edge is programmable. Input
captures can be enabled to generate interrupt requests.
14.3.3 Output Compare
With the output compare function, the TIM can generate a periodic pulse with a programmable polarity,
duration, and frequency. When the counter reaches the value in the registers of an output compare
channel, the TIM can set, clear, or toggle the channel pin. Output compares can be enabled to generate
interrupt requests.
RST, IRQ: Pins have internal pull up device
All port pins have programmable pull up device
PTA[0:5]: Higher current sink and source capability
PTB[0:7]: Not available on 8-pin devices
PTA0/TCH0/AD0//KBI0
PTA1/TCH1/AD1/KBI1
PTA2/IRQ/KBI2/TCLK
PTA3/RST/KBI3
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
KEYBOARD INTERRUPT
MODULE
CLOCK
GENERATOR
SINGLE INTERRUPT
MODULE
MONITOR ROM
LOW-VOLTAGE
INHIBIT
COP
MODULE
DEVELOPMENT SUPPORT
PTB0/AD4
PT
B
DDRB
M68HC08 CPU
PTA
DDRA
PTB1/AD5
PTB2
PTB3
PTB4
PTB5
PTB6
PTB7
MC68HC08QY4
4096 BYTES
USER ROM
POWER SUPPLY
VDD
VSS
MC68HC08QY4
128 BYTES
USER RAM
BREAK MODULE
AUTO WAKEUP
MODULE
2-CHANNEL 16-BIT
TIMER MODULE
6-CHANNEL
10-BIT ADC
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