ST3014 Просмотр технического описания (PDF) - Sitronix Technology Co., Ltd.
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ST3014 Datasheet PDF : 14 Pages
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3. SIGNAL DESCRIPTIONS
Table 3-1 Signal Function Description
Function
Group
Pin Name Pin # I/O
Description
RESET
1
I System reset, low active
PWD
1
I Power down, low active
PWDA
1 O Power down acknowledge, high active
OSCXI
1
I Crystal input or R-oscillator input
System control
OSXO
ECLK
1 O Crystal output
1
I External clock input
Clock source select
CMODE[1:0]
2
I 01=Crystal
1X=ECLK
TEST[2:0]
3
I Test mode
Special I/O
SO[1:0]/
DPA[7,15]
CLKO/
DPA[6]
2
O SO0/DPA[7], SO1/DPA[15]
1
O Clock output/DPA[6]
GPIO
DAP[13,14],
DPB[0:15]
18 I/O General I/O
External
Interrupt
XREQ/DPA[5] 1
I External interrupt/DPA[5]
TF0/DPA[0]
1 O Transmit frame synchronization/DPA[0]
Serial Port0/
DPA[4:0]
RF0/DPA[1]
TX0/DPA[2]
RX0/DPA[3]
1
I Receive frame synchronization/DPA[1]
1 O Serial data transmit/DPA[2]
1
I Serial data receive/DPA[3]
SCLK0/DPA[4] 1 O Serial clock/DPA[4]
TF1/DPA[8]
1 O Transmit frame synchronization/DPA[8]
Serial Port1/
DPA[12:8]
RF1/DPA[9]
TX1/DPA[10]
RX1/DPA[11]
1
I Receive frame synchronization/DPA[9]
1 O Serial data transmit/DPA[10]
1
I Serial data receive/DPA[11]
SCLK1/DPA[12] 1 O Serial clock/DPA[12]
D[0]/SCL
1 I/O Parallel : Data bus
D[1]/SDI
1 I/O Parallel : Data bus
D[2]/SDO
1 I/O Parallel : Data bus
D[3:7]
5 I/O Parallel : Data bus
WR
1
I Parallel : Write enable, low active
RD
1
I Parallel : Read enable, low active
MCU Interface
CS
CMD
REQ
RDY
PMODE
P/S
1
I Parallel : Chip select, low active
Parallel : Command/data select
1
I
“H”: Data
“L”: Command
1 O DSP wants to sent command to MCU, low active
1 O DSP permit MCU access data, low active
Parallel interface select
1
I 0: Standard parallel (default)
1: Special parallel
Parallel/serial interface select
1
I 0: Serial
1: Parallel
Ver 0.2
4/14
ST3014
2007-06-14
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