MC68HC908QY1VDTE Freescale Semiconductor, MC68HC908QY1VDTE Datasheet - Page 93

IC MCU 1.5K FLASH 16-TSSOP

MC68HC908QY1VDTE

Manufacturer Part Number
MC68HC908QY1VDTE
Description
IC MCU 1.5K FLASH 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC68HC908QY1VDTE

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
1.5KB (1.5K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
16-TSSOP
Processor Series
HC08Q
Core
HC08
Data Bus Width
8 bit
Data Ram Size
128 B
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
14
Number Of Timers
2
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908QB8, DEMO908QC16
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
 Details
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11.3.4 RC Oscillator
The RC oscillator circuit is designed for use with an external resistor (R
a tolerance within 25% of the expected frequency. See
The capacitor (C) for the RC oscillator is internal to the MCU. The R
1%
In this configuration, the OSC2 pin can be left in the reset state as PTA4. Or, the OSC2EN bit in the port
A pullup enable register can be set to enable the OSC2 output function on the pin. Enabling the OSC2
output slightly increases the external RC oscillator frequency, f
11.4 Oscillator Module Signals
The following paragraphs describe the signals that are inputs to and outputs from the oscillator module.
11.4.1 Crystal Amplifier Input Pin (OSC1)
The OSC1 pin is either an input to the crystal oscillator amplifier, an input to the RC oscillator circuit, or
an external clock source.
For the internal oscillator configuration, the OSC1 pin can assume other functions according to
Function Priority in Shared
Freescale Semiconductor
or less to minimize its effect on the frequency.
See
FROM SIM
Chapter 16 Electrical Specifications
MCU
SIMOSCEN
V
DD
Figure 11-3. RC Oscillator External Connections
Pins.
EN
R
EXT
EXTERNAL RC
OSC1
OSCILLATOR
MC68HC908QY/QT Family Data Sheet, Rev. 6
for component value requirements.
INTCLK
RCCLK
PTA4/BUSCLKX4 (OSC2)
Figure
0
1
1
0
11-3.
RCCLK
OSCRCOPT
TO SIM
PTA4
EXT
BUSCLKX4
I/O
.
EXT
value must have a tolerance of
÷ 2
) to provide a clock source with
TO SIM
BUSCLKX2
Oscillator Module Signals
PTA4
OSC2EN
Table 1-3.
93

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