TMP92FD54AI datasheet(31/84 Pages) TOSHIBA

31 / 84 page

2006-01-27

92FD54AI-31

TMP92FD54AI

(4) Interface specifications

SIO communication specifications for Single Boot Mode are shown below. The device

supports a serial operation mode: UART (Asynchronous). Before on-board

programming can be executed, the programming controller must be set to the same

communications format as the device side.

•

Communicating in UART Mode

Communications channel: SIO Channel1

Serial transfer mode: UART (Asynchronous) Mode, full-duplex

communication

Data length: 8 bits

Parity bits: None

STOP bits: 1

Baud rate: Desired baud rate (See Table 4.3.1(a) )

Table 4.3.1(a)

Baud Rate Selection Table

Baud Rate (bps)

38400

19200

9600

4800

2400

Table 4.3.1(b) Pin connections

UART

DVCC (3.3 V)

Power supply pins

DVSS

Mode-setting pin

AM1, AM0,

TEST1, TEST0

Reset pin

RESET

TXD1

Communications pins

RXD1

(5) Data transfer format

The operation commands and data transfer formats for each operation mode are shown

in Table 4.3.2 to Table 4.3.67. For related information please refer to subsection (6),

entitled

Boot program, on page 37 of Section 4.3.2, Single-Boot Mode.

Table 4.3.2 Operation command data

Operation Command Data

Operation Mode

10H

RAM transfer

20H

Flash memory SUM

30H

Read product information

40H

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