MC68332ACFC25 Freescale Semiconductor, MC68332ACFC25 Datasheet - Page 145

• Manufacturer Part Number: MC68332ACFC25
• Description: IC MCU 32BIT 25MHZ 132-PQFP
• Manufacturer: Freescale Semiconductor
• Series: M683xxr

Specifications of MC68332ACFC25

• Core Processor: CPU32
• Core Size: 32-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SCI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Type: ROMless
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 132-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

MC68332
USER’S MANUAL
15
REQUESTS
Changing the value of SCI control bits during a transfer operation may disrupt opera-
tion. Before changing register values, allow the SCI to complete the current transfer,
then disable the receiver and transmitter.
SCI Rx
SCCR1 (CONTROL REGISTER 1)
TRANSMITTER
BAUD RATE
CLOCK
SCI INTERRUPT
REQUEST
Figure 6-7 SCI Transmitter Block Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
TDRE
TC
H (8) 7 6 5 4 3 2 1 0
GENERATOR
PARITY
10 (11) - BIT Tx SHIFT REGISTER
QUEUED SERIAL MODULE
Go to: www.freescale.com
SCDR Tx BUFFER
0
15
CONTROL LOGIC
TRANSMITTER
L
(WRITE-ONLY)
SCSR (STATUS REGISTER)
FORCE PIN
DIRECTION
(OUT)
MDDR7
MDDR5
AND CONTROL
PIN BUFFER
INTERNAL
DATA BUS
0
68300 SCI TX BLOCK
TxD
6-23