DEMO9S08EL32 Freescale Semiconductor, DEMO9S08EL32 Datasheet - Page 223

• Manufacturer Part Number: DEMO9S08EL32
• Description: BOARD DEMO FOR 9S08 EL MCU
• Manufacturer: Freescale Semiconductor
• Type: MCUr

Specifications of DEMO9S08EL32

• Contents: Evaluation Board
• Processor To Be Evaluated: MC9S08EL32
• Data Bus Width: 8 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 12 V
• Silicon Manufacturer: Freescale
• Core Architecture: HCS08
• Core Sub-architecture: HCS08
• Silicon Core Number: MC9S08
• Silicon Family Name: S08EL
• Rohs Compliant: Yes
• For Use With/related Products: MC9S08EL32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Freescale Semiconductor
Desired Bit Rate:
External Crystal Frequency:
Therefore, the closest SLCBT value would be 43 SLIC clocks (SLCBT = 0x002B).
Because you can only use even values in SLCBT, the closest acceptable value is 42 (0x002A).
Desired Bit Rate:
External Crystal Frequency:
Therefore, the closest SLCBT value would be 85 SLIC clocks (SLCBT = 0x0055).
Desired Bit Rate:
External Crystal Frequency:
Therefore, the closest SLCBT value would be 256 SLIC clocks (SLCBT = 0x0100).
Because you can only use even values in SLCBT, the closest acceptable value is 86 (0x0056)
4,915,200 Clock Out Period
9,830,400 Clock Out Periods
8,000,000 Clock Out Periods
1 Second
1 Second
1 Second
17.36111 μs
17.36111 μs
1 Bit
1 Bit
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
64 μs
1 Bit
Figure 12-17. SLCBT Value Calculation Example 1
Figure 12-18. SLCBT Value Calculation Example 2
Figure 12-19. SLCBT Value Calculation Example 3
57,600 bps
4.9152 MHz
57,600 bps
15,625 bps
9.8304 MHz
8.000 MHz
X
X
X
X
X
X
1 SLIC Clock Period
1 SLIC Clock Period
1 SLIC Clock Period
1 SLIC Clock Period
1 SLIC Clock Period
1 SLIC Clock Period
2 Clock Out Period
2 Clock Out Period
2 Clock Out Period
406.901 ns
203.45 ns
250 ns
57,600 Bits
57,600 Bits
15,625 Bits
1 Second
1 Second
1 Second
=
=
=
=
=
=
=
=
=
1 SLIC Clock Period
42.67 SLIC Clock Periods
17.36111 μs
1 SLIC Clock Period
1 SLIC Clock Period
85.33 SLIC Clock Periods
256 SLIC Clock Periods
17.36111 μs
64 μs
1 Bit
1 Bit
406.901 ns
1 Bit
203.45 ns
250 ns
1 Bit
1 Bit
1 Bit
225