MCHC908RF2MFAE Freescale Semiconductor, MCHC908RF2MFAE Datasheet - Page 93
MCHC908RF2MFAE
Manufacturer Part Number
MCHC908RF2MFAE
Description
IC MCU 2K FLASH 4MHZ 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908RF2CFA.pdf
(188 pages)
Specifications of MCHC908RF2MFAE
Core Processor
HC08
Core Size
8-Bit
Speed
4MHz
Peripherals
LVD, POR, PWM, RF Mod
Number Of I /o
12
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCHC908RF2MFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Data Sheet — MC68HC908RF2
7.1 Introduction
7.2 Features
7.3 Functional Description
7.3.1 External Interrupt
MC68HC908RF2 — Rev. 4.0
MOTOROLA
This section describes the maskable external interrupt (IRQ) input and six
independently maskable keyboard wakeup interrupt pins.
Features of the KBI include:
This section provides a functional description of the keyboard/external interrupt
module (KBI).
A logic 0 applied to the external interrupt pin (IRQ) can latch a CPU interrupt
request.
module.
A logic 0 applied to one or more of the keyboard interrupt pins can latch a CPU
interrupt request.
KBI module
See
registers.
•
•
•
•
•
•
Figure 7-3
Dedicated external interrupt pin (IRQ)
Six keyboard interrupt pins with separate keyboard interrupt enable bits and
one keyboard interrupt mask
Internal pullup resistor
Hysteresis buffer
Programmable edge-only or edge- and level-interrupt sensitivity
Automatic interrupt acknowledge
Freescale Semiconductor, Inc.
Figure 7-2
For More Information On This Product,
Section 7. Keyboard/External Interrupt Module (KBI)
Keyboard/External Interrupt Module (KBI)
for a summary of the interrupt and keyboard input/output (I/O)
Go to: www.freescale.com
Figure 7-5
shows the structure of the external (IRQ) interrupt of the KBI
shows the structure of the keyboard interrupts of the
Data Sheet
93
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