78  GP19  B  General Purpose IO 19  SPI1 MISO 
79  GP20  B  General Purpose IO 20  SPI1 MOSI 
80  GP21  B  General Purpose IO 21 
External Interrupt 3 
SPI2 CS 
Audio serial data for external DAC 
82  IOVDD33  P  I/O Power supply (3.3V)   
83  IOVSS33  P  I/O Ground   
84  DMCK  O  Master clock for external DAC   
85  DBCK  O  Audio serial data Bit clock   
86  DLRCK  O  Audio serial data frame clock   
87  GP22  B  General Purpose IO 22 
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 
88  GP23  B  General Purpose IO 23  HUART1 DI 
89  GP24  B  General Purpose IO 24  HUART1 DO 
90  GP25  B  General Purpose IO 25 
SPI2 CK 
91  GP26  B  General Purpose IO 26 
External Interrupt 6 
SPI2 MISO 
92  GP27  B  General Purpose IO 27 
External Interrupt 7 
SPI2 MOSI 
93  GP28  B  General Purpose IO 28 
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. 
94  TDI  B 
JTAG TDI input 
When GP43is used for TDI of 
JTAG, the external pull-up resistor 
(48kΩ) has to be connected with 
this pin. 
General Purpose IO 43 
95  VDD12  P  Digital power supply (1.2V)   
96  VSS12  P  Digital Ground   
97  TDO  B 
JTAG TDO Output 
When GP44 is used for TDO of 
JTAG, the external pull-up resistor 
(48kΩ) has to be connected with 
this pin. 
General Purpose IO 44 
98  TMS  B 
JTAG TMS input 
When GP45 is used for TMS of 
JTAG, the external pull-up resistor 
(48kΩ) has to be connected with 
this pin. 
General Purpose IO 45 
99  TCK  I  JTAG Clock Input   
100  GP29  B  General Purpose IO 29  CDDSP SCOR0 
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