FEDL675001-01
OKI Semiconductor
ML675001/67Q5002/67Q5003
WDT
Functions as an interval timer or a watch dog timer.
(1) 16-bit timer
(2) Watch dog timer or interval timer mode can be selected
(3) Interrupt or reset generation
(4) Maximum period: longer than 200 msec
PWM
This LSI contains two channels of PWM (Pulse Width Modulation) function which can change the duty cycle of
a waveform with a constant period. The PWM output resolution is 16 bits for each channel.
Serial Interface
This LSI contains four serial interface.
(1) UART without FIFO
: 1 channel
This is the serial port which performs data transmission, taking a synchronization per character.
Selection of various parameters, such as addition of data length, a stop bit, and a parity bit, is possible.
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Asynchronous full duplex operation
Sampling Rate = Baud rate x 16sample
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Character Length
Stop Bit Length
Parity
: 7, 8 bit
: 1, 2 bit
: Even, Odd, none
Error Detection
Loop Back Function
Baud Rate Generation
: Parity, Framing, Over run
: ON/OFF, Parity, framing, Over run Compulsive addition
: Exclusive baud rate generator built-in (8bit counter)
Independent from a bus clock
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Internal-Baud-Rate-Clock-Stop at the time of HALT Mode.
: 1channel
(2) UART with 16bytes FIFO
Features 16bytes FIFO in both send and receive. Uses the industry standard 16550A ACE
(Asynchronous Communication Element).
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Asynchronous full duplex operation
Reporting function for all status
16 Byte Transmission and reception FIFO
Transmission, reception, interrupt of line status Data set and Independent FIFO control.
Modem control signals
Data length
: CTS, DCD, DSR, DTR, RI and RTS
: 5, 6, 7, 8 bit
Stop bit length
parity
: 1, 1.5, 2 bit
: Even, Odd, none
Error Detection
Baud Rate Generation
: Parity, Framing, Overrun
: Exclusive baud rate generator built-in
: 1channel
(3) Synchronous serial interface
It is a clock synchronous 8bit serial port
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selectable 1/8, 1/16 or 1/32 of HCLK frequency.
Choose LSB First or MSB First.
Choose Master / Slave Mode
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Transceiver Interruption, Transceiver buffer empty interrupt
Loopback Test Function
(4) I2C
: 1channel
Based on the I2C BUS specifications. Operates as a single master device.
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Communication mode
Transmission Speed
Addressing format
Data buffer
: Master transmitter /master receiver
: 100kbps (Standard mode) / 400kbps (Fast mode)
: 7 bit / 10 bit
: 1 Byte(1step)
Communication Voltage : 2.7V to 3.3V
15/24
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