MC908GR4CDWE Freescale Semiconductor, MC908GR4CDWE Datasheet - Page 267

• Manufacturer Part Number: MC908GR4CDWE
• Description: IC MCU 4K FLASH 8MHZ 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908GR4CDWE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 17
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: HC08
• No. Of I/o's: 21
• Ram Memory Size: 384Byte
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Embedded Interface Type: I2C, SCI, SPI
• Rohs Compliant: Yes
• Processor Series: HC08GR
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 384 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8.2 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68CBL05CE, M68EML08GPGTE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 6 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

MC68HC908GR8 — Rev 4.0
MOTOROLA
Use this formula to calculate the SCI baud rate:
where:
SCI_BDSRC is an input to the SCI. Normally it will be tied off low at the
top level to select the bus clock as the clock source. This makes the
formula:
Table 18-8
4.9152-MHz bus clock.
Freescale Semiconductor, Inc.
f
PD = prescaler divisor
BD = baud rate divisor
BUS
For More Information On This Product,
= bus frequency
Serial Communications Interface (SCI)
shows the SCI baud rates that can be generated with a
Go to: www.freescale.com
baud rate
baud rate
=
=
----------------------------------- -
64 PD BD
----------------------------------- -
64 PD BD
f
BUS
f
BUS
Serial Communications Interface (SCI)
Technical Data
I/O Registers
267