參數(shù)資料
型號(hào): PXASCC
廠商: NXP Semiconductors N.V.
英文描述: CMOS 16-bit communications microcontroller(CMOS 16位通信微控制器)
中文描述: 的CMOS 16位微控制器通信的CMOS(16位通信微控制器)
文件頁(yè)數(shù): 26/42頁(yè)
文件大小: 229K
代理商: PXASCC
Philips Semiconductors
Preliminary specification
XA-SCC
CMOS 16-bit communications microcontroller
1999 Mar 29
26
Table 6. SCC0 Interrupts (Interrupt structure is the same except for bit locations for all 4 SCCs)
Potential SCC0 Interrupt
Rx Character Available
Individual Enable Bit
MMR Hex Offset
Source Bit
MMR Hex
Offset
Group Enable Bit(s)
MMR Hex Offset
Group Flag Bit MMR
Hex Offset
Master Enable Bit
MMR Hex Offset
RR0[0]
WR1[4:3]
Even Channel Rx IP
RR3[5]
SCC0/1 Master
Interrupt Enable
WR9[3]
SDLC EOF
RR1[7]
CRC/Framing Error
RR1[6]
Rx Overrun
RR1[5]
Parity Error
WR1[2]
RR1[4]
Tx Buffer Empty
See WR1[1]
RR0[2]
Tx Interrupt Enable
WR1[1]
Even Channel Tx IP
RR3[4]
Break/Abort
Break/Abort IE
WR15[7]
RR0[7]
Tx Underrun/EOM
Tx Underrun/EOM IE
WR15[6]
RR0[6]
CTS
CTS IE
WR15[5]
RR0[5]
Master External/ Status
Interrupt Enable
Interru t Enable
WR1[0]
Even Channel
External/Status IP
RR3[3]
SYNC/HUNT
SYNC/HUNT IE
WR15[4]
RR0[4]
DCD
DCD IE
WR15[3]
RR0[3]
Zero Count
Zero Count IE
WR15[1]
RR0[1]
EXCEPTION/TRAPS PRECEDENCE
DESCRIPTION
VECTOR ADDRESS
ARBITRATION RANKING
Reset (h/w, watchdog, s/w)
0000–0003
0 (High)
Breakpoint
0004–0007
1
Trace
0008–000B
1
Stack Overflow
000C–000F
1
Divide by 0
0010–0013
1
User RETI
0014–0017
1
TRAP 0–15 (software)
0040–007F
1
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