MCR908JL3ECFAE Freescale Semiconductor, MCR908JL3ECFAE Datasheet - Page 64
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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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System Integration Module (SIM)
5.7.2 Reset Status Register (RSR)
The SRSR register contains flags that show the source of the last reset. The status register will
automatically clear after reading SRSR. A power-on reset sets the POR bit and clears all other bits in the
register. All other reset sources set the individual flag bits but do not clear the register. More than one
reset source can be flagged at any time depending on the conditions at the time of the internal or external
reset. For example, the POR and LVI bit can both be set if the power supply has a slow rise time.
POR — Power-On Reset Bit
PIN — External Reset Bit
COP — Computer Operating Properly Reset Bit
ILOP — Illegal Opcode Reset Bit
ILAD — Illegal Address Reset Bit (opcode fetches only)
MODRST — Monitor Mode Entry Module Reset bit
LVI — Low Voltage Inhibit Reset bit
64
1 = Last reset caused by POR circuit
0 = Read of SRSR
1 = Last reset caused by external reset pin (RST)
0 = POR or read of SRSR
1 = Last reset caused by COP counter
0 = POR or read of SRSR
1 = Last reset caused by an illegal opcode
0 = POR or read of SRSR
1 = Last reset caused by an opcode fetch from an illegal address
0 = POR or read of SRSR
1 = Last reset caused by monitor mode entry when vector locations $FFFE and $FFFF are $FF after
0 = POR or read of SRSR
1 = Last reset caused by LVI circuit
0 = POR or read of SRSR
POR while IRQ = V
Address:
Read:
Write:
POR:
$FE01
POR
Bit 7
1
DD
Figure 5-21. Reset Status Register (RSR)
= Unimplemented
PIN
MC68HC908JL3E Family Data Sheet, Rev. 4
6
0
COP
5
0
ILOP
4
0
ILAD
3
0
MODRST
2
0
LVI
1
0
Freescale Semiconductor
Bit 0
0
0
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