MC9RS08LE4CWL Freescale Semiconductor, MC9RS08LE4CWL Datasheet - Page 16

• Manufacturer Part Number: MC9RS08LE4CWL
• Description: MCU 8BIT 4K FLASH W/LCD 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: RS08r

Specifications of MC9RS08LE4CWL

• Core Processor: RS08
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SCI
• Peripherals: LCD, LVD, POR, PWM, WDT
• Number Of I /o: 26
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: RS08LA
• Core: RS08
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SCI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 26
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: DEMO9RS08LA8
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

External Oscillator (XOSC) Characteristics
3.8
Refer to
16
1
2
3
4
1
2
3
4
5
Num
Data in Typical column was characterized at 3.0 V, 25 °C or is typical recommended value.
See crystal or resonator manufacturer’s recommendation.
This parameter is characterized and not tested on each device.
Proper PC board layout procedures must be followed to achieve specifications.
Figure 12
D
D
D
D
D
External Oscillator (XOSC) Characteristics
Table 9. External Oscillator Specifications (Temperature Range = –40 to 85°C Ambient)
C
Oscillator crystal or resonator (EREFS = 1)
(CLKS = 10, IREFS = x)
(CLKS = 00, IREFS = 0)
Load capacitors
Feedback resistor
Series resistor
Crystal start-up time
Low range (32 kHz to 100 kHz)
High range (1 MHz to 16 MHz)
Low range
High range
Low range, ( IREFS = x)
High range, FLL bypassed external
High range, FLL engaged external
Low range
High range
for crystal or resonator circuit.
Low Gain (HGO = 0)
High Gain (HGO = 1)
Low Gain (HGO = 0)
High Gain (HGO = 1)
≥ 8 MHz
4 MHz
1 MHz
Figure 12. Typical Crystal or Resonator Circuit
Characteristic
3, 4
C
1
EXTAL
MC9RS08LE4 MCU Data Sheet, Rev. 3
Crystal or Resonator
XOSC
R
F
Symbol
f
f
t
t
hi_eng
hi_byp
CSTH
CSTL
R
R
C
C
f
lo
F
S
1
2
XTAL
R
S
C
Min
2
32
—
—
—
—
—
—
—
—
1
1
Typical
100
500
See Note
10
10
20
—
—
—
1
0
0
0
4
Freescale Semiconductor
1
2
Max
38.4
—
—
—
—
—
—
—
—
5
5
MHz
MHz
Unit
kHz
MΩ
kΩ
ms