MC68HC908GR4CFA Freescale Semiconductor, MC68HC908GR4CFA Datasheet - Page 258

• Manufacturer Part Number: MC68HC908GR4CFA
• Description: IC MCU 4K FLASH 8.2MHZ 32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GR4CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• 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: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Serial Communications Interface (SCI)
18.9.3 SCI Control Register 3
Technical Data
258
Address:
SCI control register 3:
R8 — Received Bit 8
T8 — Transmitted Bit 8
Reset:
Read:
Write:
Freescale Semiconductor, Inc.
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When the SCI is receiving 9-bit characters, R8 is the read-only ninth
bit (bit 8) of the received character. R8 is received at the same time
that the SCDR receives the other 8 bits.
When the SCI is receiving 8-bit characters, R8 is a copy of the eighth
bit (bit 7). Reset has no effect on the R8 bit.
When the SCI is transmitting 9-bit characters, T8 is the read/write
ninth bit (bit 8) of the transmitted character. T8 is loaded into the
transmit shift register at the same time that the SCDR is loaded into
the transmit shift register. Reset has no effect on the T8 bit.
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Stores the ninth SCI data bit received and the ninth SCI data bit to
be transmitted
Enables these interrupts:
– Receiver overrun interrupts
– Noise error interrupts
– Framing error interrupts
Parity error interrupts
Serial Communications Interface (SCI)
$0015
Bit 7
R8
U
Figure 18-11. SCI Control Register 3 (SCC3)
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= Unimplemented
T8
U
6
DMARE
5
0
DMATE
4
0
U = Unaffected
ORIE
3
0
MC68HC908GR8 — Rev 4.0
NEIE
2
0
FEIE
1
0
MOTOROLA
PEIE
Bit 0
0