MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 114

• Manufacturer Part Number: MC68HC711E20CFN2
• Description: IC MCU 20K 2MHZ OTP 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC711E20CFN2

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Size: 20KB (20K x 8)
• Program Memory Type: OTP
• Eeprom Size: 512 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Serial Communications Interface (SCI)
114
SCP2 SCP1 SCP0 SCR2 SCR1 SCR0
Shaded areas reflect standard baud rates.
On MC68HC(7)11E20 do not set SCP1 or SCP0 when SCP2 is 1.
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Prescaler Selects
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
M68HC11E Family Data Sheet, Rev. 5.1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Table 7-1. Baud Rate Values
Prescale
Divide
13
13
13
13
13
13
13
13
39
39
39
39
39
39
39
39
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
Divide
Baud
128
128
128
128
128
Set
16
32
64
16
32
64
16
32
64
16
32
64
16
32
64
1
2
4
8
1
2
4
8
1
2
4
8
1
2
4
8
1
2
4
8
62500
31250
15625
20833
10417
15625
7813
3906
1953
5208
2604
1302
7813
3906
1953
4808
2404
1202
1603
4.00
1.00
977
488
651
326
163
977
488
244
122
601
300
150
801
401
200
100
75
38
50
25
13
4.9152
76800
38400
19200
25600
12800
19200
9600
4800
2400
1200
6400
3200
1600
9600
4800
2400
1200
5908
2954
1477
1969
1.23
600
800
400
200
600
300
150
738
369
185
985
492
246
123
92
46
62
31
15
Crystal Frequency (MHz)
Bus Frequency (MHz)
125000
62500
31250
15625
41667
20833
10417
31250
15625
7813
3906
1953
5208
2604
1302
7813
3906
1953
9615
4808
2404
1202
3205
1603
8.00
2.00
977
651
326
977
488
244
601
300
150
801
401
200
100
75
50
25
156250
78125
39063
19531
52083
26042
13021
39063
19531
12019
10.00
9766
4883
2441
1221
6510
3255
1628
9766
4883
2441
1221
6010
3005
1502
4006
2003
1002
2.50
814
407
610
305
751
376
188
501
250
125
94
63
31
Freescale Semiconductor
187500
93750
46875
23438
11719
62500
31250
15625
46875
23438
11719
14423
12.00
5859
2930
1465
7813
3906
1953
5859
2930
1465
7212
3606
1803
4808
2404
1202
3.00
977
488
732
366
901
451
225
113
601
300
150
75
38
250000
125000
62500
31250
15625
83333
41667
20833
10417
62500
31250
15625
19231
16.00
7813
3906
1953
5208
2604
1302
7813
3906
1953
9615
4808
2404
1202
6410
3205
1603
4.00
651
977
488
601
300
150
801
401
200
100
50