W681307DG Datasheet, PDF (120/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
The usages of pin44 and pin45 are illustrated in Figure 14-8.
/CS3
P1.5
P1.6
X
X
P1.6
CS3_Enable [B4]
( 0x150C [B4] )
1
0
P1.6_ Sel[1:0]
( 0x150C[1:0] )
P1.5_ Sel[B2]
( 0x150C [B2] )
X
1
SPI_ ENB
0
0
MOSI
( SPI Master Output ;
1
Slave Input)
SDI
( DF_ SPI)
3
SPI_ ENB
2
DF_ ENB
1
MISO
0
(SPI Master Input ;
Slave Output )
0
0
1
SDO
1
( DF_ SPI)
P1.5/ MOSI / SDI / /CS3
P1.6/MISO / SDO
Figure 14-8 The Multiplexers of pin44 and pin45
The usages of pin36 and pin37 are illustrated in Figure 14-9.
P3.4_A0_Sel
150C[5]
UART_EN &
SIM_EN
1554[7-6]
P3.4
0
00
A0
1
X
01
UART_RXD1
10
SIM_CLK
11
P3.4/ A0/
RXD1/SIM_CLK
P3.5
A1
P3.5_A1_Sel
150C[6]
0
1
UART_TXD1
UART_EN
1554[7]
0
1
P3.5/ A1/ TXD1
Figure 14-9 The Multiplexers of pin36 and pin37
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Publication Release Date: May, 2007
Revision 1.3