參數(shù)資料
型號: TMS320DM355_07
廠商: Texas Instruments, Inc.
英文描述: Digital Media System-on-Chip (DMSoC)
中文描述: 數(shù)字媒體系統(tǒng)芯片(DMSoC)
文件頁數(shù): 30/158頁
文件大?。?/td> 1319K
代理商: TMS320DM355_07
www.ti.com
P
2.4.9
UART Interface
TMS320DM355
Digital Media System-on-Chip (DMSoC)
SPRS463B–SEPTEMBER 2007–REVISED OCTOBER 2007
Table 2-14. ASP Terminal Functions (continued)
TERMINAL
TYPE
(1)
OTHER
(2)(3)
DESCRIPTION
NAME
ASP0_CL
KX /
GIO029
ASP0_DR
/
GIO027
ASP0_DX
/
GIO030
ASP0_FS
R /
GIO025
ASP0_FS
X /
GIO028
ASP1_CL
KR
ASP1_CL
KS
ASP1_CL
KX
ASP1_DR
ASP1_DX
ASP1_FS
R
ASP1_FS
X
NO.
ASP0: Transmit Clock
GIO: GIO[029]
F18
I/O/Z
V
DD
ASP0: Receive DataF
GIO: GIO[027]
E18
I/O/Z
V
DD
ASP0: Transmit Data
GIO: GIO[030]
H15
I/O/Z
V
DD
ASP0: Receive Frame Synch
GIO: GIO[025]
F16
I/O/Z
V
DD
G17
I/O/Z
V
DD
ASP0: Transmit Frame SynchGIO: GIO[028]
D18
I/O/Z
V
DD
ASP1: Receive Clock
D17
I/Z
V
DD
ASP1: Master Clock
D19
I/O/Z
V
DD
ASP1: Transmit Clock
C19
C18
I/O/Z
I/O/Z
V
DD
V
DD
ASP1: Receive Data
ASP1: Transmit Data
E17
I/O/Z
V
DD
ASP1: Receive Frame Synch
E16
I/O/Z
V
DD
ASP1: Transmit Frame Sync
The DM355 includes three UART ports. These ports are multiplexed with GIO and other signals.
Table 2-15. UART Terminal Functions
TERMINAL
TYPE
(1)
OTHER
(2)(3)
DESCRIPTION
NAME
UART0_RXD
UART0_TXD
UART1_RXD/
GIO013
UART1_TXD/
GIO012
MMCSD1_DA
TA2/
GIO021/
UART2_CTS
MMCSD1_DA
TA3/
GIO022/
UART2_RTS
MMCSD1_DA
TA1/
GIO020/
UART2_RXD
NO.
U18
T18
I
V
DD
V
DD
UART0: Receive data. Used for UART boot mode
UART0: Transmit data. Used for UART boot mode
UART1: Receive data.
GIO: GIO013
UART1: Transmit data.
GIO: GIO012
O
R15
I/O/Z
V
DD
R17
I/O/Z
V
DD
MMCSD1: DATA2
GIO: GIO021
UART2: CTS
A16
I/O/Z
V
DD
MMCSD1: DATA3
GIO: GIO022
UART2: RTS
B16
I/O/Z
V
DD
MMCSD1: DATA1
GIO: GIO020
UART2: RXD
B15
I/O/Z
V
DD
(1)
(2)
(3)
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal.
Specifies the operating I/O supply voltage for each signal. See
Section 5.3
,
Power Supplies
for more detail.
PD = pull-down, PU = pull-up. (To pull up a signal to the opposite supply rail, a 1 k
resistor should be used.)
Device Overview
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