MC68331CEH25 Freescale Semiconductor, MC68331CEH25 Datasheet - Page 149

• Manufacturer Part Number: MC68331CEH25
• Description: IC MCU 32BIT 25MHZ 132-PQFP
• Manufacturer: Freescale Semiconductor
• Series: M683xxr

Specifications of MC68331CEH25

• Core Processor: CPU32
• Core Size: 32-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SCI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Type: ROMless
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 132-QFP
• Controller Family/series: 68K
• No. Of I/o's: 18
• Cpu Speed: 25MHz
• No. Of Timers: 1
• Embedded Interface Type: QSPI, SCI, UART
• No. Of Pwm Channels: 2
• Digital Ic Case Style: PQFP
• Rohs Compliant: Yes
• Processor Series: M683xx
• Core: CPU32
• Data Bus Width: 32 bit
• Data Ram Size: 80 B
• Interface Type: QSPI, SCI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 1
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Eeprom Size: -
• Ram Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

MC68331
USER’S MANUAL
15
REQUESTS
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
QUEUED SERIAL MODULE
Go to: www.freescale.com
Tx SHIFT REGISTER
SCDR Tx BUFFER
10 (11) - BIT
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
6