MC908QY8CDWE Freescale Semiconductor, MC908QY8CDWE Datasheet - Page 175

IC MCU 8BIT 8K FLASH 16-SOIC

MC908QY8CDWE

Manufacturer Part Number
MC908QY8CDWE
Description
IC MCU 8BIT 8K FLASH 16-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC908QY8CDWE

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
16-SOIC (0.300", 7.5mm Width)
Processor Series
HC08QY
Core
HC08
Data Bus Width
8 bit
Data Ram Size
256 B
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
13
Number Of Timers
2
Operating Supply Voltage
3 V to 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908QB8, DEMO908QC16
Minimum Operating Temperature
- 40 C
On-chip Adc
4-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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Chapter 16
Timer Interface Module (TIM)
16.1 Introduction
This section describes the timer interface module (TIM). The TIM module is a 4-channel timer that
provides a timing reference with input capture, output compare, and pulse-width-modulation functions.
The TIM module shares its pins with general-purpose input/output (I/O) port pins. See
location of these shared pins.
16.2 Features
Features include the following:
16.3 Functional Description
Figure 16-2
can operate as a free-running counter or a modulo up-counter. The counter provides the timing reference
for the input capture and output compare functions. The TIM counter modulo registers, TMODH:TMODL,
control the modulo value of the counter. Software can read the counter value, TCNTH:TCNTL, at any time
without affecting the counting sequence.
The four TIM channels are programmable independently as input capture or output compare channels.
16.3.1 TIM Counter Prescaler
The TIM clock source is one of the seven prescaler outputs or the external clock input pin, TCLK if
available. The prescaler generates seven clock rates from the internal bus clock. The prescaler select
bits, PS[2:0], in the TIM status and control register (TSC) select the clock source.
Freescale Semiconductor
Four input capture/output compare channels
Buffered and unbuffered output compare pulse-width modulation (PWM) signal generation
Programmable clock input
Free-running or modulo up-count operation
Toggle any channel pin on overflow
Counter stop and reset bits
Rising-edge, falling-edge, or any-edge input capture trigger
Set, clear, or toggle output compare action
7-frequency internal bus clock prescaler selection
External clock input pin if available, See
shows the structure of the TIM. The central component of the TIM is the 16-bit counter that
MC68HC908QB8 Data Sheet, Rev. 3
Figure 16-1
Figure 16-1
for port
175

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