MCR908JL3ECFAE Freescale Semiconductor, MCR908JL3ECFAE Datasheet - Page 72
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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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Monitor ROM (MON)
72
NOTES:
1. Monitor mode entry method:
2. Affects high voltage entry to monitor mode only (SW1 at position A):
5. See
1 μF
1 μF
2
3
5
DB9
SW1: Position A — High voltage entry (V
SW1: Position B — Reset vector must be blank ($FFFE = $FFFF = $FF)
SW2: Position C — Bus clock = OSC1 ÷ 4
SW2: Position D — Bus clock = OSC1 ÷ 2
Table 16-4. DC Electrical Characteristics (5V)
+
+
7
8
1
3
4
5
C1+
C1–
C2+
C2–
FOR MC68HRC908JL3E/JK3E/JK1E
MAX232
SW1 MUST BE AT POSITION B
Clock source must be EXT OSC or XTAL CIRCUIT.
Bus clock depends on SW2.
Bus clock = OSC1 ÷ 4.
GND
V
FOR MC68HRC908JL3E/JK3E/JK1E
V+
V–
CC
FOR MC68HC908JL3E/JK3E/JK1E
SW1 MUST BE AT POSITION A
16
15
2
6
10
9
SW1 AT POSITION A OR B
V
RC CIRCUIT
DD
FOR MC68HC908JL3E/JK3E/JK1E
+
+
MC68HC908JL3E Family Data Sheet, Rev. 4
1 μF
1 μF
2
Figure 7-1. Monitor Mode Circuit
TST
SW1 AT POSITION A OR B
74HC125
1
)
+
EXT OSC
3
for V
1 μF
V
DD
74HC125
TST
XTAL CIRCUIT
6
V
See
(5V @25°C)
vs. frequency.
TST
voltage level requirements.
4
V
Figure 16-1. RC vs. Frequency
DD
5
V
(50% DUTY)
DD
10 k
for component values
20 pF
1 k
9.8304MHz
(SEE NOTE 2)
8.5 V
10 k
10 k
20 pF
A
B
C
D
OSC1
OSC2
OSC1
OSC2
V
DD
10 k
SW1
SW2
0.1 μF
(SEE NOTE 1)
V
DD
10 k
0.1 μF
V
Freescale Semiconductor
10 k
DD
V
DD
H(R)C908JL3E
H(R)C908JK3E
H(R)C908JK1E
RST
V
V
OSC1
OSC2
IRQ
PTB0
PTB1
PTB3
PTB2
DD
SS
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