参数资料
型号: ML674000TB
厂商: OKI ELECTRIC INDUSTRY CO LTD
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 33.333 MHz, RISC MICROCONTROLLER, PQFP128
封装: 14 X 14 MM, 0.40 MM PITCH, PLASTIC, TQFP-128
文件页数: 6/28页
文件大小: 189K
代理商: ML674000TB
Oki Semiconductor
ML674000
12/22
Pin Name
I/O
Description
Primary/
Secondary
Logic
DMA control signals
DREQ0
I
Ch 0 DMA request signal, used when DMA controller configured for DREQ
type
Secondary
Positive
DREQCLR0
O
Ch 0 DREQ signal clear request. The DMA device responds to this output
by negating DREQ.
Secondary
Positive
TCOUT0
O
Indicates to Ch 0 DMA device that last transfer has started
Secondary
Positive
DREQ1
I
Ch 1 DMA request signal, used when DMA controller configured for DREQ
type
Secondary
Positive
DREQCLR1
O
Ch 1 DREQ signal clear request. The DMA device responds to this output
by negating DREQ.
Secondary
Positive
TCOUT1
O
Indicates to Ch 1 DMA device that last transfer has started
Secondary
Positive
Serial IO Interface
STXD
O
SIO transmit signal
Secondary
Positive
SRXD
I
SIO receive signal
Secondary
Positive
UART
SIN
I
Serial data input
Secondary
Positive
SOUT
O
Serial data output
Secondary
Positive
CTS
I
Clear To Send.
Indicates that modem or data set is ready to transfer data.
Bit 4 in modem status register reflects this input.
Secondary
Negative
DSR
I
Data Set Ready.
Indicates that modem or data set is ready to establish a communications
link with UART.
Bit 5 in modem status register reflects this input.
Secondary
Negative
DCD
I
Data Carrier Detect.
Indicates that modem or data set has detected data carrier signal.
Bit 7 in modem status register reflects this input.
Secondary
Negative
DTR
O
Data Terminal Ready.
Indicates that UART is ready to establish a communications link with
modem or data set.
Bit 0 in modem control register controls this output.
Secondary
Negative
RTS
O
Request To Send.
Indicates that UART is ready to transfer data to modem or data set.
Bit 1 in modem control register controls this output.
Secondary
Negative
RI
I
Ring Indicator.
Indicates that modem or data set has received telephone ring indicator.
Bit 6 in modem status register reflects this input.
Secondary
Negative
相关PDF资料
PDF描述
ML674000 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP128
ML674001TC 32-BIT, MROM, 33.333 MHz, RISC MICROCONTROLLER, PQFP144
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ML674001LA 32-BIT, MROM, 33.333 MHz, RISC MICROCONTROLLER, PBGA144
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