W681307 Datasheet, PDF (13/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM

W681307
29
A9
I/O
Input
H
Output
H
PC3B02U 8032T Address Line 9
30
A10
I/O
Input
H
Output
H
PC3B02U 8032T Address Line 10
31
A11
I/O
Input
H
Output
H
PC3B02U 8032T Address Line 11
32
A12
I/O
Input
H
Output
H
PC3B02U 8032T Address Line 12
33
A13
I/O
Input
H
Output
H
PC3B02U 8032T Address Line 13
34
A14
I/O
Input
H
Output
H
PC3B02U 8032T Address Line 14
35
NC
I/O
Input
H
Output
H
PC3B02U No connection
36
P3.5
/A1
I/O
Input
H
Input
H
PC3B02U Port3 Bit 5 of 8032T
37
P3.4
/A0
I/O
Input
H
Input
H
PC3B02U Port3 Bit 4 of 8032T
38 P3.1 /TXD0
I/O
Input
H
Input
H
PC3B02U
Port 3 Bit 1 or TXD serial transmit data port of internal 8032
Turbo
39
P3.0 /RXD0
I/O
Input
H
Input
H
PC3B02U
Port 3 Bit 0 or RXD serial receive data port of internal 8032
Turbo
40
CS2 /
SPI _ CS
I/O
Input Output
H
H
PC3T02 External Chip Select
General Purpose Output
41
CS1 /
DF _ CS
I/O
Input Output
H
H
PC3T02 External Chip Select
General Purpose Output
42
RD
/P3.7
I/O
Input
H
43
WR
/ P3.6
I/O
Input
H
44
P1.6
/MISO/SDI
I/O
Input
H
P1.5
45
/MOSI/SDO
/ CS3
I/O
Input
H
46
P1.4
/SCK
I/O
Input
H
47
P1.3
/SCL
I/O
Input
H
48
P1.2
/SDA
I/O
Input
H
49
P1.1
I/O
Input
H
50
P1.0
I/O
Input
H
51 EXT_ROM
I
Input
H
Input
H
Input
H
Input
H
Input
H
Input
H
Input
H
Input
H
Input
H
Input
H
Input
PC3B02U 8032T Read Strobe
P3.7 is 8032 I/O
PC3B02U 8032T Write Strobe
PC3B02U Port 1 Bit 6
P3.6 is 8032 I/O
SPI function
PC3B02U Port 1 Bit 5
SPI function or External
Chip Select
PC3B02U
PC3B02U
PC3B02U
Port 1 Bit 4 or SPI interface This pin also supports wait
clock output
state function.
Port 1 Bit 3 or W2S interface clock output of programming
EEPROM.
Port 1 Bit 2 or W2S interface serial data of programming
EEPROM.
PC3B02U Port 1 Bit 1
PC3B02U Port 1 Bit 0
PC3D01U
When set this pin to high then the chip goes into external
ROM mode.
52
DGND3 PWR -
-
PVSSC Digital ground 3 (core power ground)
53
DVDD3 PWR -
-
PVDDC
Digital supply voltage 3 for core power, which should
connect to DVDD1.
54 VDD_OSC PWR -
-
PVDDC Oscillation circuits supply voltage.
55
XTAL1
56
XTAL2
I Active Active PAnalog 13.824Mhz Crystal oscillator output
O Active Active PAnalog 13.824Mhz Crystal oscillator input
57 GND_OSC PWR -
-
PVSSC Oscillation circuits ground
- 13 -
Publication Release Date: May, 2007
Revision 1.3