MC68HC908QY4VDTE Freescale Semiconductor, MC68HC908QY4VDTE Datasheet - Page 107

IC MCU 4K FLASH 8MHZ 16-TSSOP

MC68HC908QY4VDTE

Manufacturer Part Number
MC68HC908QY4VDTE
Description
IC MCU 4K FLASH 8MHZ 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC68HC908QY4VDTE

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x8b
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
On-chip Adc
8 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Lead Free Status / Rohs Status
 Details

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC908QY4VDTE
Manufacturer:
Freescale
Quantity:
3 250
13.4.2.1 Power-On Reset
When power is first applied to the MCU, the power-on reset module (POR) generates a pulse to indicate
that power on has occurred. The SIM counter counts out 4096 BUSCLKX4 cycles. Sixty-four BUSCLKX4
cycles later, the CPU and memories are released from reset to allow the reset vector sequence to occur.
At power on, the following events occur:
See
Freescale Semiconductor
ADDRESS BUS
Figure
BUSCLKX4
BUSCLKX2
A POR pulse is generated.
The internal reset signal is asserted.
The SIM enables the oscillator to drive BUSCLKX4.
Internal clocks to the CPU and modules are held inactive for 4096 BUSCLKX4 cycles to allow
stabilization of the oscillator.
The POR bit of the SIM reset status register (SRSR) is set
PORRST
OSC1
RST
13-6.
Reset Recovery Type
CYCLES
4096
Figure 13-5. Sources of Internal Reset
ILLEGAL ADDRESS RST
All others
MC68HC908QY/QT Family Data Sheet, Rev. 6
ILLEGAL OPCODE RST
POR/LVI
Table 13-2. Reset Recovery Timing
Figure 13-6. POR Recovery
CYCLES
32
COPRST
POR
LVI
CYCLES
32
Actual Number of Cycles
4163 (4096 + 64 + 3)
INTERNAL RESET
67 (64 + 3)
$FFFE
Reset and System Initialization
$FFFF
107

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