MC68HC711KS2MFN4 Freescale Semiconductor, MC68HC711KS2MFN4 Datasheet - Page 159

• Manufacturer Part Number: MC68HC711KS2MFN4
• Description: 32K EPROM - SLOW MODE
• Manufacturer: Freescale Semiconductor

M68HC11K Family
MOTOROLA
E Clock Freq.
EXTAL Freq.
19200 baud
38400 baud
76800 baud
Baud Rate
1200 baud
2400 baud
4800 baud
9600 baud
150 baud
300 baud
600 baud
110 baud
Target
Decimal
2273
1667
833
417
208
104
52
26
13
—
—
8.0 MHz
2.0 MHz
$00D0
$000D
$08E1
$01A1
$001A
BTST — Baud Register Test Bit
BSPL — Baud Rate Counter Split Bit
SBR[12:0] — SCI Baud Rate Select Bits
$0683
$0341
$0068
$0034
Hex
—
—
BTST is for factory use only and is only accessible in special test
mode.
BSOK is for factory use only and is only accessible in special test
mode.
These bits represent the value BR in:
SCI baud rate control
Decimal
Serial Communications Interface (SCI)
3409
2500
1250
625
313
156
register value = (EXTAL/32)/target baud rate
Table 7-2. SCI+ Baud Rates
78
39
20
—
—
12.0 MHz
3.0 MHz
SCI Baud Rate Control Register Values
EXTAL Frequencies
$0D51
$09C4
$009C
$04E2
$004E
$0271
$0139
$0027
$0014
Hex
—
—
Decimal
4545
3333
1667
833
417
208
104
52
26
13
—
16.0 MHz
4.0 MHz
$0D05
$01A1
$00D0
$001A
$000D
$11C1
$0683
$0341
$0068
$0034
Hex
—
Serial Communications Interface (SCI)
Decimal
5682
4167
2083
1042
521
260
130
65
33
16
20.0 MHz
8
5.0 MHz
$1632
$1047
$0823
$0412
$0209
$0104
$0082
$0041
$0021
$0010
$0008
Hex
Decimal
6818
5000
2500
1250
625
313
156
78
39
20
10
Technical Data
24.0 MHz
6.0 MHz
SCI Registers
$1AA2
$09C4
$009C
$04E2
$004E
$000A
$1388
$0271
$0139
$0027
$0014
Hex
159