MC68HC908AS60CFN Freescale Semiconductor, MC68HC908AS60CFN Datasheet - Page 256

• Manufacturer Part Number: MC68HC908AS60CFN
• Description: IC MCU 60K FLASH 8MHZ 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908AS60CFN

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8.4MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 40
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 15x8b
• 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)
Technical Data
SCR2 – SCR0 — SCI Baud Rate Select Bits
Use this formula to calculate the SCI baud rate:
where:
Table 17-8
4.9152-MHz crystal.
These read/write bits select the SCI baud rate divisor as shown in
Table
Freescale Semiconductor, Inc.
f
PD = prescaler divisor
BD = baud rate divisor
Crystal
For More Information On This Product,
Serial Communications Interface (SCI)
Baud rate
17-7. Reset clears SCR2–SCR0.
= crystal frequency
SCR[2:1:0]
shows the SCI baud rates that can be generated with a
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000
001
010
100
101
011
110
111
Table 17-7. SCI Baud Rate Selection
=
----------------------------------- -
64 PD
f
Crystal
BD
Baud Rate Divisor (BD)
128
16
32
64
1
2
4
8
MC68HC908AS60 — Rev. 1.0