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MD1/TxD2
Mode setting
register
SPTRW: Write to SPTR
MD2/RxD2
SPTRR
SPTRR: Read SPTR
Figure 16.4 MD1/TxD2 Pin
Mode setting
register
D0
Figure 16.5 MD2/RxD2 Pin
Reset
R
D1
Q
D
SPB2IO
C
SPTRW
Reset
R
D0
Q
D
SPB2DT
C
SPTRW
Internal data bus
Rev. 4.0, 04/00, page 591 of 850
Internal data bus
SCIF
Transmit enable
signal
Serial transmit data
SCIF
Serial receive
data
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