M38B53M4-059FP datasheet(165/355 Pages) MITSUBISHI

165 / 355 page

38B5 Group User’s Manual

APPLICATION

2-77

2.3 Serial I/O

Fig. 2.3.55 Control procedure of reception side

(address 001D16)

(address 0017 16)

(address 0016 16)

(address 000B16), bit6

RESET

• Judgment of completion of receiving

(Receive buffer full flag)

SIO2STS (address 001E 16), bit1?

Read out a reception data

from TB/RB (address 001F 16)

SIO2STS (address 001E 16), bit6?

Initialization

SIO2CON

UARTCON

BRG

P5D

1010X0012

XX0X1X002

6 – 1

SIO2STS (address 001E 16), bit1?

• Judgment of an error flag

SIO2STS (address 001E 16), bit0?

P5 (address 000A 16), bit0?

SIO2CON (address 001D 16)

0000X0012

1010X0012

Processing for error

Read out a reception data

from TB/RB (address 001F 16)

• Reception of the first byte data

Receive buffer full flag is set

to “0” by reading data.

• Judgment of completion of

receiving

(Receive buffer full flag)

• Reception of the second byte data

Receive buffer full flag is set

to “0” by reading data.

• Judgment of an error flag

• Countermeasure for a bit slippage

q X: This bit is not used here. Set it to “0” or “1” arbitrarily.

• Serial I/O2 setting

• Port P56 setting for communication control

M38B53M4-059FP Datasheet(PDF) 165 Page - Mitsubishi Electric Semiconductor

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