MC908LJ12CFBE Freescale Semiconductor, MC908LJ12CFBE Datasheet - Page 158

• Manufacturer Part Number: MC908LJ12CFBE
• Description: IC MCU 12K FLASH 8MHZ 52-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908LJ12CFBE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: IRSCI, SPI
• Peripherals: LCD, LVD, POR, PWM
• Number Of I /o: 20
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-LQFP
• Processor Series: HC08LJ
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI/SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4
• Operating Supply Voltage: 3.3 V, 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, M68EML08LJLKE, ZK-HC08LX-A, M68CBL05CE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 6-ch x 10-bit
• Controller Family/series: HC08
• No. Of I/o's: 20
• Ram Memory Size: 512Byte
• Cpu Speed: 8MHz
• No. Of Timers: 2
• Embedded Interface Type: SCI, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Monitor ROM (MON)
Technical Data
158
DB-25
Notes:
10 µF
10 µF
2
3
7
1. For monitor mode entry when IRQ = V
2. SW2, SW3, and SW4: Position C — Enter monitor mode using external oscillator.
3. See
+
+
SW2, SW3, and SW4: Position D — Enter monitor mode using external XTAL and internal PLL.
SW1: Position A — Bus clock = CGMXCLK ÷ 4 or CGMPCLK ÷ 4
SW1: Position B — Bus clock = CGMXCLK ÷ 2
1
3
4
2
5
6
23.6 5.0V DC Electrical Characteristics
MC145407
Figure 10-1. Monitor Mode Circuit
EXTERNAL OSCILLATOR
MUST BE USED FOR
MONITOR MODE ENTRY
WHEN IRQ = V
20
18
17
19
16
15
+
+
10 µF
10 µF
32.768 kHz XTAL
Monitor ROM (MON)
TST
6–30 pF
TST
V
1
2
6
4
7
DD
:
MC74HC125
(SEE NOTE 3)
for IRQ voltage level requirements.
6–30 pF
330 kΩ
(SEE NOTE 1)
10 kΩ
14
3
5
V
D
C
C
C
D
V
V
TST
DD
D
DD
A
SW2
SW4
(SEE NOTE 2)
SW3
(SEE NOTE 2)
B
0.033 µF
(SEE NOTES 2
10 kΩ
SW1
0.1 µF
0.1 µF
AND 3)
10 kΩ
V
V
DD
DD
V
DD
V
RST
IRQ
CGMXFC
OSC1
OSC2
V
V
V
V
PTA0
PTC1
PTA1
PTA2
MC68HC908LJ12
DDA
SS
REFL
DD
REFH
68HC908LJ12
Freescale Semiconductor
RESET VECTORS
$FFFE
$FFFF
—
Rev. 2.1