MC68HC11K0CFUE4 Freescale Semiconductor, MC68HC11K0CFUE4 Datasheet - Page 152

• Manufacturer Part Number: MC68HC11K0CFUE4
• Description: MCU 8-BIT 768 RAM 4MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11K0CFUE4

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Type: ROMless
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 37
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

Serial Communications Interface (SCI)
Technical Data
152
TRANSMITTER
BAUD RATE
CLOCK
Note 1. Data direction register for port D
SCCR1
REQUESTS
SCI Rx
SCI CONTROL 1
H
SCI INTERRUPT
GENERATOR
8
REQUEST
10 (11) — BIT Tx SHIFT REGISTER
PARITY
7
Figure 7-2
6
Figure 7-2. SCI Transmitter Block Diagram
SCDR Tx BUFFER
Freescale Semiconductor, Inc.
5
For More Information On This Product,
4
Serial Communications Interface (SCI)
3
CONTROL LOGIC
2
TDRE
TIE
TC
TCIE
is a block diagram of the SCI transmitter.
TRANSMITTER
Go to: www.freescale.com
1
SCSR1
0
L
WRITE ONLY
SCI STATUS 1
SCCR2
DIRECTION (OUT)
TE
FORCE PIN
SCI CONTROL 2
AND CONTROL
PIN BUFFER
DDD1
INTERNAL
DATA BUS
(1)
M68HC11K Family
MOTOROLA
PD1
TxD