MC68HC705C8AB Freescale Semiconductor, MC68HC705C8AB Datasheet - Page 137
MC68HC705C8AB
Manufacturer Part Number
MC68HC705C8AB
Description
IC MCU 8K OTP 2.1MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC68HC705C8AB
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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MC68HC705C8A — Rev. 3
MOTOROLA
SCR2–SCR0 — SCI Baud Rate Select Bits
Table 10-3
frequencies of 2 MHz, 4 MHz, and 4.194304 MHz.
Freescale Semiconductor, Inc.
For More Information On This Product,
These read/write bits select the SCI baud rate, as shown in
SCR[2:1:0]
Table
Serial Communications Interface (SCI)
000
001
010
100
101
011
110
111
shows all possible SCI baud rates derived from crystal
Go to: www.freescale.com
10-2. Reset has no effect on the SCR2–SCR0 bits.
Table 10-2. Baud Rate Selection
SCI Baud Rate (Baud)
Prescaled clock
Prescaled clock
Prescaled clock
Prescaled clock
Prescaled clock
Prescaled clock
Prescaled clock
Prescaled clock
Serial Communications Interface (SCI)
128
16
32
64
1
2
4
8
SCI I/O Registers
Technical Data
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