MCR908JL3ECFAE Freescale Semiconductor, MCR908JL3ECFAE Datasheet - Page 114
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MCR908JL3ECFAE
Manufacturer Part Number
MCR908JL3ECFAE
Description
IC MCU 4K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JK1ECDWE.pdf
(180 pages)
Specifications of MCR908JL3ECFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LED, LVD, POR, PWM
Number Of I /o
23
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 12x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCR908JL3ECFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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External Interrupt (IRQ)
The vector fetch or software clear may occur before or after the interrupt pin returns to one. As long as
the pin is low, the interrupt request remains pending. A reset will clear the latch and the MODE control bit,
thereby clearing the interrupt even if the pin stays low.
When set, the IMASK bit in the INTSCR mask all external interrupt requests. A latched interrupt request
is not presented to the interrupt priority logic unless the IMASK bit is clear.
114
Addr.
$001D
IRQPUD
IRQ
IRQ Status and Control
Register Name
DECODER
Register (INTSCR)
VECTOR
RESET
FETCH
The interrupt mask (I) in the condition code register (CCR) masks all
interrupt requests, including external interrupt requests. See
Control.
ACK
V
INTERNAL
PULLUP
DEVICE
DD
Reset:
Read:
Write:
Figure 11-2. IRQ I/O Register Summary
V
MODE
Figure 11-1. IRQ Module Block Diagram
DD
MC68HC908JL3E Family Data Sheet, Rev. 4
D
CK
Bit 7
IRQ
CLR
0
0
FF
Q
= Unimplemented
6
0
0
NOTE
5
0
0
IMASK
SYNCHRO-
VOLTAGE
DETECT
NIZER
4
0
0
HIGH
IRQF
3
0
5.5 Exception
IRQF
ACK
2
0
0
Freescale Semiconductor
IMASK
1
0
TO CPU FOR
BIL/BIH
INSTRUCTIONS
IRQ
INTERRUPT
REQUEST
TO MODE
SELECT
LOGIC
MODE
Bit 0
0
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