參數(shù)資料
型號: MSP430A004IPWR
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, 8 MHz, RISC MICROCONTROLLER, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁數(shù): 32/47頁
文件大?。?/td> 917K
代理商: MSP430A004IPWR
MSP430x11x2, MSP430x12x2
MIXED SIGNAL MICROCONTROLLER
SLAS361D JANUARY 2002 REVISED AUGUST 2004
38
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
input/output schematic (continued)
port P3, P3.3, input/output with Schmitt-trigger
P3.3/UCLK0
P3IN.3
Pad Logic
EN
D
P3OUT.3
P3DIR.3
P3SEL.3
UCLK.0
0
1
0
1
DCM_UCLK
SYNC
MM
STE
STC
From USART0
UCLK0
To USART0
0: Input
1: Output
NOTE: UART mode:
The UART clock can only be an input. If UART mode and UART function are selected, the P3.3/UCLK0 is always
an input.
SPI, slave mode:
The clock applied to UCLK0 is used to shift data in and out.
SPI, master mode:
The clock to shift data in and out is supplied to connected devices on pin P3.3/UCLK0 (in slave mode).
port P3, P3.4, and P3.5 input/output with Schmitt-trigger
P3IN.x
Module X IN
Pad Logic
EN
D
P3OUT.x
P3DIR.x
P3SEL.x
Module X OUT
Direction Control
From Module
0
1
0
1
P3.4/UTXD0
P3.5/URXD0
0: Input
1: Output
x {4,5}
PnSel.x
PnDIR.x
DIRECTION
CONTROL
FROM MODULE
PnOUT.x
MODULE X OUT
PnIN.x
MODULE X IN
P3Sel.4
P3DIR.4
VCC
P3OUT.4
UTXD0
P3IN.4
Unused
P3Sel.5
P3DIR.5
VSS
P3OUT.5
VSS
P3IN.5
URXD0
Output from USART0 module
Input to USART0 module
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