![](http://datasheet.mmic.net.cn/390000/TSB42AA4I_datasheet_16839080/TSB42AA4I_101.png)
64
0x004 PINCFG – Pin Configuration (Continued)
BIT
NAME
TYPE
RESET
FUNCTION
7:6
RSVD
R0
0
Reserved – A write to this location has no effect. A read returns 0s.
5
MCACKZPOL
W
0
Programmable microcontroller acknowledge polarity The value
written to this location indicates the active level of the MCIF_ACKZ
pin. 1active high, 0active low
4
MCACKZPOL
R
0
Programmable microcontroller acknowledge polarity The value
contained in this location indicates the active level of the
MCIF_ACKZ pin. 1active high, 0active low
3
MCSTRBZPOL
RW
0
Programmable microcontroller data strobe polarity The value
written to this location indicates the active level of the MCIF_STRBZ
pin. 1active high, 0active low
2
MCRWPOL
RW
1
Programmable microcontroller read/write polarity The value
written to this location indicates the active level of the MCIF_RWZ
pin.
When this bit is set to 1: Read 1 Write 0
When this bit is set to 0: Read 0 Write 1
1
MCCSZPOL
RW
0
Programmable microcontroller chip select polarity The value
written to this location indicates the active level of the MCIF_CSZ
pin. 1active high, 0active low
0
MCS32ZPOL
RW
0
Programmable microcontroller transfer size polarity The value
written to this location indicates the active level of the MCIF_S32Z
pin. 1active high, 0active low
0x008 GPIOSEL – GPIO Output Source Select
BIT
NAME
TYPE
RESET
FUNCTION
31
RSVD
R0
0
Reserved – A write to this location has no effect. A read returns 0.
30:28
GPIO9SEL
RW
0
GPIO9 source select – The binary encoded value written to this
location selects the function of the associated GPIO.
000 – General-purpose input
001 – HSDIB WTRMRK 0 (see Note 1)
010 – HSDIB WTRMRK 1 (see Note 1)
011 – Video select B DV frame in
100 – Video select B DV frame out
101 – HSDIB SCC clock
110 – HSDIB DirecTV error
111 – General-purpose output
27:25
GPIO8SEL
RW
0
GPIO8 source select – The binary encoded value written to this
location selects the function of the associated GPIO.
000 – General-purpose input
001 – HSDIB WTRMRK 0 (see Note 1)
010 – HSDIB WTRMRK 1 (see Note 1)
011 – Video select B DV frame in
100 – Video select B DV frame out
101 – HSDIB SCC clock
110 – HSDIB DirecTV error
111 – General-purpose output
NOTE 1: The watermarks are associated with data buffers routed to the HSDIx. A buffer can be selected for the
watermark 0/1 only by applying the buffer address at the HSDIx address lines (HSDIxA[2:0]).