Toshiba TLCS-900/H1 Series Manual page 169

Original cmos 32-bit microcontroller

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Handshake function

errors can be avoided. The handshake function is enabled or disabled by the

SC0MOD<CTSE> setting.

transmission is halted until the

interrupt is generated, and it requests the next data send from the CPU. The next

data is written in the transmission buffer and data sending is halted.

Though there is no

setting any port assigned to be the

"high" to request send data halt after data receive is completed by software in the

RXD interrupt routine.

Timing of writing to the

transmission buffer

Send is suspended

from (1) and (2)

Note 1: If the

transmission.

Note 2: Transmission starts on the first falling edge of the TXDCLK clock after the

pin allows data to be sent in units of one frame; thus, overrun

pin goes high on completion of the current data send, data

pin, a handshake function can be easily configured by

Figure 3.9.5 Handshake Function

signal goes high during transmission, no more data will be sent after completion of the current

Figure 3.9.6

pin goes low again. However, the INTTX0

function. The

(Clear to send) Timing

should be output

signal has fallen.

Tmp92ch21fg Jtmp92ch21