MC68HC11D0CFNE2 Freescale Semiconductor, MC68HC11D0CFNE2 Datasheet - Page 69

• Manufacturer Part Number: MC68HC11D0CFNE2
• Description: MCU 8-BIT 192 RAM 2MHZ 44-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11D0CFNE2

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 26
• Program Memory Type: ROMless
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

TECHNICAL DATA
BAUD RATE
RECEIVER
CLOCK
REQUESTS
recovery scheme distinguishes valid data from noise in the serial data stream. The
data input is selectively sampled to detect receive data, and a majority voting circuit
determines the value and integrity of each bit.
SCI Tx
PD0
RxD
SCCR1 SCI CONTROL 1
SCI INTERRUPT
AND CONTROL
PIN BUFFER
REQUEST
DDD0
DISABLE
DRIVER
Figure 7-2 SCI Receiver Block Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
WAKEUP
SERIAL COMMUNICATIONS INTERFACE
LOGIC
RE
M
RECOVERY
RDRF
RIE
IDLE
ILIE
OR
RIE
Go to: www.freescale.com
DATA
÷16
SCSR SCI STATUS 1
SCCR2 SCI CONTROL 2
(8) 7
Rx SHIFT REGISTER
6
RWU
10 (11) - BIT
5
4
MSB
3
8
2
SCDR Rx BUFFER
1
INTERNAL
DATA BUS
0
8
8
(READ ONLY)
ALL ONES
11 SCI RX BLOCK
7-3