MC68HC908LD60IFU Freescale Semiconductor, MC68HC908LD60IFU Datasheet - Page 203
MC68HC908LD60IFU
Manufacturer Part Number
MC68HC908LD60IFU
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC908LD60IFU.pdf
(292 pages)
Specifications of MC68HC908LD60IFU
Cpu Family
HC08
Device Core Size
8b
Frequency (max)
6MHz
Program Memory Type
Flash
Program Memory Size
60KB
Total Internal Ram Size
1KB
# I/os (max)
39
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
On-chip Adc
6-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
0C to 85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Package Type
PQFP
Lead Free Status / Rohs Status
Compliant
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MC68HC908LD60
Freescale Semiconductor
—
Rev. 1.1
BR2–BR0 — Baud Rate Select
These three bits select one of eight clock rates as the master clock
when the module is in master mode.
Since this master clock is derived the CPU bus clock, the user
program should not execute the WAIT instruction when the DDC
module in master mode. This will cause the SDA and SCL lines to
hang, as the WAIT instruction places the MCU in WAIT mode, with
CPU clock is halted. These bits are cleared upon reset. (See
15-2 . Baud Rate
NOTE:
CPU bus clock is external clock ÷ 4 = 6MHz
BR2
0
0
0
0
1
1
1
1
DDC12AB Interface
Table 15-2. Baud Rate Select
Select.)
BR1
0
0
1
1
0
0
1
1
BR0
0
1
0
1
0
1
0
1
Baud Rate
3.125k
12.5k
6.25k
1.56k
0.78k
100k
50k
25k
DDC12AB Interface
DDC Registers
Technical Data
Table
203
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