TDA8006HSLASHC2 datasheet(20/40 Pages) PHILIPS

20 / 40 page

2000 Feb 21

Philips Semiconductors

Product speciﬁcation

Multiprotocol IC Card coupler

TDA8006

handbook, full pagewidth

MGR233

I/O

TRN

TBE

LCT

R/W

INT

transmission

read status

start transmit

read status

int cleared

write character

anything

buffer empty

int cleared

write character

anything

buffer empty

start receive

TRN/LCT reset

set LCT

start transmit

Fig.9 Character transmission with or without LCT.

SYNCHRONOUS CARDS

If bit SAN (Synchronous/Asynchronous-N) is set, the

software can operate with synchronous cards; the

information available on the I/O line is copied on data bit 0

of the data bus without entering the UART when either

registers SIR or SOR are selected. At the end of a

transmission in synchronous mode, it is necessary to

switch back to synchronous reception mode by reading

The synchronous clock may be controlled by selecting

CLK STOP HIGH or STOP LOW. Contacts C4 and C8

may be controlled by ports P34 and P35 (operation

depends on synchronous card type).

Synchronous Input Register (SIR; address 3; read only)

When this register is selected, I/O is copied on data bit 0

(P40) and may be read by the controller.

Synchronous Output Register (SOR; address 3; write

only)

When this register is selected, I/O is copied on data bit 0

(P40) on the falling edge of EN.

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