AS8201 Ver la hoja de datos (PDF) - austriamicrosystems AG
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AS8201 Datasheet PDF : 13 Pages
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TTP/C-C1 Communications Controller Data Sheet
AS8201
BUS0
CL
CH
PCA82C250
TXD RXD
BUS1
CL
CH
PCA82C250
TXD RXD
Austria Mikro Systeme International AG
BUS0
CL
CH
MAX1487
RE
DI
DO
DE
BUS1
CL
CH
MAX1487
RE
DI
DO
DE
BDE[0] OE[0] TXD[0] RXD[0] CTS[0] BDE[1] OE[1] TXD[1] RXD[1] CTS[1]
TTA-C1
BDE[0] OE[0] TXD[0] RXD[0] CTS[0] BDE[1] OE[1] TXD[1] RXD[1] CTS[1]
TTA-C1
Figure 7: Transceivers with Recessive State
Figure 8: Transceivers with Three-State Output
Test Interface
Pin Name
FTEST
FTEST_EIN
LED
TEST_SE
mode
in (pull down)
in (pull down)
out
in (pull down)
width
1
1
7
1
comment
functional test mode
instruction insertion enable
LED vector
scan enable
Table 6: Test Interface Ports
The ports of the test interface support the manufacturing test of the chip. In the application
environment FTEST, FTEST_IEN, and TEST_SE are not connected. The LED bus can be
used as a universal output port. The driver strength of the LED ports is 4mA.
Rev. NC, October 1999
Page 11 of 13
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