DEMO9S08EL32 Freescale Semiconductor, DEMO9S08EL32 Datasheet - Page 220

• 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

1
222
Clock
(MHz)
SLIC
Bit rates over 120,000 bits per second are not recommended for LIN communications, as physical layer delay between the TX
and RX pins can cause the stop bit of a byte to be mis-sampled as the last data bit. This could result in a byte framing error.
20
18
16
14
12
10
(MHz)
clock
SLIC
8
6
4
2
20
18
16
14
12
10
8
6
4
Table 12-13. Maximum LIN Bit Rates for High-Speed Operation Due to Digital Receive Filter
DIGITAL RX FILTER
NOT CONSIDERED
Bit Rate for ±1.5%
(for Master-Slave
Communication
SLIC Accuracy
Maximum LIN
Max Bit
(kbps)
156,250
140,625
125,000
109,375
Rate
93,750
78,125
62,500
46,875
31,250
(kbps)
300
270
240
210
180
150
120
Table 12-14. Digital Receive Filter Absolute Cutoff (Ideal Conditions)
90
60
30
RXFP = ÷8
Min Pulse
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
Allowed
Width
(μs)
10.67
12.80
16.00
21.33
32.00
6.40
7.11
8.00
9.14
(Note 1)
120.00
120.00
120.00
109.38
÷8
93.75
78.13
62.50
46.88
31.25
15.63
Max Bit
(kbps)
107,143
178,571
160,714
142,857
125,000
Rate
89,286
71,429
53,571
35,714
(Note 1)
RXFP = ÷7
120.00
120.00
120.00
120.00
107.14
÷7
89.29
71.43
53.57
35.71
17.86
Min Pulse
Allowed
Width
RXFP Prescaler Values (See
(μs)
(Note 1)
11.20
14.00
18.67
28.00
120.00
120.00
120.00
120.00
120.00
104.17
5.60
6.22
7.00
8.00
9.33
÷6
83.33
62.50
41.67
20.83
Maximum LIN Bit Rate (kbps)
Max Bit
(Note 1)
(kbps)
208,333
187,500
166,667
145,833
125,000
104,167
Rate
÷÷5
83,333
62,500
41,667
120.00
120.00
120.00
120.00
120.00
120.00
100.00
75.00
50.00
25.00
RXFP = ÷6
(Note 1)
Min Pulse
Allowed
÷÷4
120.00
120.00
120.00
120.00
120.00
120.00
120.00
Width
93.75
62.50
31.25
(μs)
12.00
16.00
24.00
4.80
5.33
6.00
6.86
8.00
9.60
Table
(Note 1)
12-11)
1
120.00
120.00
120.00
120.00
120.00
120.00
120.00
120.00
÷÷3
83.33
41.67
Max Bit
(kbps)
250,000
225,000
200,000
175,000
150,000
125,000
100,000
Rate
75,000
50,000
Freescale Semiconductor
1
RXFP = ÷5
÷÷2
120.00
120.00
120.00
120.00
120.00
120.00
120.00
120.00
120.00
62.50
Min Pulse
Allowed
Width
(μs)
10.00
13.33
20.00
4.00
4.44
5.00
5.71
6.67
8.00
÷÷1
120.00
120.00
120.00
120.00
120.00
120.00
120.00
120.00
120.00
120.00