MC908QB4CPE Freescale Semiconductor, MC908QB4CPE Datasheet - Page 78
![IC MCU 8BIT 4K FLASH 16-DIP](/photos/12/16/121649/mc908qb4cpe_sml.jpg)
MC908QB4CPE
Manufacturer Part Number
MC908QB4CPE
Description
IC MCU 8BIT 4K FLASH 16-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QB8CDWE.pdf
(236 pages)
Specifications of MC908QB4CPE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
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 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC908QB4CPE
Manufacturer:
FREESCALE
Quantity:
20 000
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External Interrupt (IRQ)
When set, the IMASK bit in INTSCR masks the IRQ interrupt request. A latched interrupt request is not
presented to the interrupt priority logic unless IMASK is clear.
A falling edge on the IRQ pin can latch an interrupt request into the IRQ latch. An IRQ vector fetch,
software clear, or reset clears the IRQ latch.
78
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
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
PTA0/TCH0/AD0/KBI0
PTA1/TCH1/AD1/KBI1
PTA2/IRQ/KBI2/TCLK
PTB1/MOSI/AD5
PTB2/MISO/AD6
PTA3/RST/KBI3
PTB0/SCK/AD4
PTB4/RxD/AD8
PTB5/TxD/AD9
PTB3/SS/AD7
MC68HC908QB8
PTB6/TCH2
PTB7/TCH3
POWER SUPPLY
256 BYTES
USER RAM
The interrupt mask (I) in the condition code register (CCR) masks all
interrupt requests, including the IRQ interrupt request.
Figure 8-1. Block Diagram Highlighting IRQ Block and Pin
V
V
DD
SS
MC68HC908QB8 Data Sheet, Rev. 3
NOTE
M68HC08 CPU
MC68HC908QB8
USER FLASH
8192 BYTES
DEVELOPMENT SUPPORT
KEYBOARD INTERRUPT
EXTERNAL INTERRUPT
INTERFACE MODULE
SERIAL PERIPHERAL
ENHANCED SERIAL
COMMUNICATIONS
4-CHANNEL 16-BIT
TIMER MODULE
AUTO WAKEUP
BREAK MODULE
LOW-VOLTAGE
Freescale Semiconductor
MONITOR ROM
GENERATOR
10-CHANNEL
INTERFACE
10-BIT ADC
MODULE
MODULE
MODULE
MODULE
CLOCK
INHIBIT
COP
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