MC68HC11K1CFN4 Freescale Semiconductor, MC68HC11K1CFN4 Datasheet - Page 51

• Manufacturer Part Number: MC68HC11K1CFN4
• Description: IC MCU 640 EEPROM 4MHZ 84-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11K1CFN4

• 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
• Eeprom Size: 640 x 8
• 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: 84-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Program Memory Size: -

M68HC11 K Series
MC68HC11KTS/D
BAUD RATE
RECEIVER
REQUESTS
CLOCK
SCI Tx
PD0/
RxD
SCCR1 SCI CONTROL 1
SCI INTERRUPT
SCSR2 SCI STATUS 2
AND CONTROL
PIN BUFFER
REQUEST
DDD0
DISABLE
DRIVER
Freescale Semiconductor, Inc.
For More Information On This Product,
WAKE-UP
LOGIC
Figure 11 SCI Receiver Block Diagram
M
RE
RECOVERY
RDRF
RIE
IDLE
ILIE
OR
RIE
Go to: www.freescale.com
DATA
DETECT
PARITY
16
SCSR1 SCI STATUS 1
SCCR2 SCI CONTROL 2
(8) 7 6 5 4 3 2 1 0
Rx SHIFT REGISTER
RWU
10 (11) - BIT
MSB
R8 T8 –
7
SCDRH Tx/Rx DATA HIGH
SCDRL Tx/Rx DATA LOW
6
5
DATA BUS
INTERNAL
–
4
ALL ONES
–
3
(READ-ONLY)
–
2
MOTOROLA
–
1
–
0
$x076
$x077
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