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參數(shù)資料
| 型號： | PXAS33KBA |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | XA 16-bit microcontroller 32 K/1 K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage 2.7 V.5.5 V, I2C, 2 UARTs, 16 MB address range |
| 中文描述： | 16-BIT, MROM, 30 MHz, MICROCONTROLLER, PQCC68 |
| 封裝： | PLASTIC, MO-047, SOT-188-3, LCC-68 |
| 文件頁數(shù)： | 32/52頁 |
| 文件大?。?/td> | 295K |
| 代理商： | PXAS33KBA |
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Philips Semiconductors
XA 16-bit microcontroller
32 K/1 K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage (2.7 V–5.5 V),
I
2
C, 2 UARTs, 16 MB address range
Preliminary specification
XA-S3
2000 Dec 01
32
LSB
MSB
BIT
RSTSRC.7
RSTSRC.6
RSTSRC.5
RSTSRC.4
RSTSRC.3
RSTSRC.2
RSTSRC.1
RSTSRC.0
SYMBOL
—
—
—
—
—
R_WD
R_CMD
R_EXT
FUNCTION
Reserved for future use. Should not be set to 1 by user programs.
Reserved for future use. Should not be set to 1 by user programs.
Reserved for future use. Should not be set to 1 by user programs.
Reserved for future use. Should not be set to 1 by user programs.
Reserved for future use. Should not be set to 1 by user programs.
Indicates that the last reset was caused by a watchdog timer overflow.
Indicates that the last reset was caused by execution of the RESET instruction.
Indicates that the last reset was caused by the external RST input.
—
—
—
—
RSTSRC
Not bit Addressable
Reset Value: see below
Address:463h
—
R_WD
R_CMD
R_EXT
SU00942
Figure 24. Reset source register (RSTSRC)
INTERRUPTS
XA-S3 interrupt sources include the following:
External interrupts 0 and 1 (2)
Timer 0, 1, and 2 interrupts (3)
PCA: 1 global and 5 channel interrupts (6)
A/D interrupt (1)
UART 0 transmitter and receiver interrupts (2)
UART 1 transmitter and receiver interrupts (2)
I
2
C interrupt (1)
Software interrupts (7)
There are a total of 17
hardware
interrupt sources, enable bits,
priority bit sets, etc.
The XA-S3 supports a total of 17 maskable event interrupt sources
(for the various XA peripherals), seven software interrupts, 5
exception interrupts (plus reset), and 16 traps. The maskable event
interrupts share a global interrupt disable bit (the EA bit in the IEL
register) and each also has a separate individual interrupt enable bit
(in the IEL or IEH registers). Only three bits of the IPA register
values are used on the XA-S3. Each event interrupt can be set to
occur at one of 8 priority levels via bits in the Interrupt Priority (IP)
registers, IPA0 through IPA5. The value 0 in the IPA field gives the
interrupt priority 0, in effect disabling the interrupt. A value of 1 gives
the interrupt a priority of 9, the value 2 gives priority 10, etc. The
result is the same as if all four bits were used and the top bit set for
all values except 0. Details of the priority scheme may be found in
the XA User Guide
The complete interrupt vector list for the XA-S3, including all
4 interrupt types, is shown in the following tables. The tables include
the address of the vector for each interrupt, the related priority
register bits (if any), and the arbitration ranking for that interrupt
source. The arbitration ranking determines the order in which
interrupts are processed if more than one interrupt of the same
priority occurs simultaneously.
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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相關(guān)代理商/技術(shù)參數(shù) |
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| PXAS33KBBE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XA 16-bit microcontroller 32K/1K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage 2.7 V.5.5 V, I2C, 2 UARTs, 16MB address range |
| PXAS33KFA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XA 16-bit microcontroller 32 K/1 K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage 2.7 V.5.5 V, I2C, 2 UARTs, 16 MB address range |
| PXAS33KFBE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XA 16-bit microcontroller 32 K/1 K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage 2.7 V.5.5 V, I2C, 2 UARTs, 16 MB address range |
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