Philips CE130/55 Service Manual page 37

BX8804/8805
76 GP17
77 GP18
78 GP19
79 GP20
80 GP21
81 DDATA
82 IOVDD33
83 IOVSS33
84 DMCK
85 DBCK
86 DLRCK
87 GP22
88 GP23
89 GP24
90 GP25
91 GP26
92 GP27
93 GP28
94 TDI
95 VDD12
96 VSS12
97 TDO
98 TMS
B General Purpose IO 17
B General Purpose IO 18
B General Purpose IO 19
B General Purpose IO 20
B General Purpose IO 21
O Audio serial data for external DAC
P I/O Power supply (3.3V)
P I/O Ground
O Master clock for external DAC
O Audio serial data Bit clock
O Audio serial data frame clock
B General Purpose IO 22
B General Purpose IO 23
B General Purpose IO 24
B General Purpose IO 25
B General Purpose IO 26
B General Purpose IO 27
B General Purpose IO 28
JTAG TDI input
When GP43is used for TDI of
JTAG, the external pull‐up resistor
B
(48kΩ) has to be connected with
this pin.
P Digital power supply (1.2V)
P Digital Ground
JTAG TDO Output
When GP44 is used for TDO of
JTAG, the external pull‐up resistor
B
(48kΩ) has to be connected with
this pin.
JTAG TMS input
When GP45 is used for TMS of
B
JTAG, the external pull‐up resistor
(48kΩ) has to be connected with
I2C SDA
SPI1 CS
SPI1 CK
SPI1 MISO
SPI1 MOSI
External Interrupt 3
SPI2 CS
Chip Select 2
When GP22 is used for CS2, the external
pull‐up resistor (48 kΩ) has to be connected
with this pin
External Interrupt 4
HUART1 DI
HUART1 DO
External Interrupt 5
SPI2 CK
External Interrupt 6
SPI2 MISO
External Interrupt 7
SPI2 MOSI
Wake‐UP
When GP28 is used for WAKE‐UP signal
input pin, the external pull‐down resistor
(48kΩ) has to be connected with this pin.
General Purpose IO 43
General Purpose IO 44
General Purpose IO 45
16/21