MC68HC705C8AFNE Freescale Semiconductor, MC68HC705C8AFNE Datasheet - Page 127

• Manufacturer Part Number: MC68HC705C8AFNE
• Description: IC MCU 8BIT 44-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705C8AFNE

• 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: 44-PLCC
• Processor Series: HC705C
• Core: HC05
• Data Bus Width: 8 bit
• Data Ram Size: 304 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 2.1 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 1
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

10.5.2 Receiver
MC68HC705C8A — Rev. 3
MOTOROLA
SCI TRANSMIT
REQUESTS
BAUD RATE
PD0/
RDI
CLOCK
16X
SCI INTERRUPT
REQUEST
SCCR1 ($000E)
AND CONTROL
PIN BUFFER
Figure 10-4
Figure 10-3
Freescale Semiconductor, Inc.
M
For More Information On This Product,
RDRF
RIE
DISABLE
DRIVER
Serial Communications Interface (SCI)
Figure 10-4. SCI Receiver
IDLE
ILIE
RE
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shows the structure of the SCI receiver. Refer to
for a summary of the SCI receiver I/O registers.
RECOVERY
DATA
OR
RIE
16
SCSR ($0010)
SCCR2 ($000F)
8
RECEIVE SHIFT REGISTER
7 6 5 4 3 2 1 0
IDLE
Serial Communications Interface (SCI)
WAKEUP
LOGIC
MSB RDRF OR
SCDR ($0011)
Technical Data
SCI Operation