參數(shù)資料
型號: ADUC7122BBCZ
廠商: Analog Devices Inc
文件頁數(shù): 77/96頁
文件大?。?/td> 0K
描述: IC ARM7TDMI MCU 126KB 108CSPBGA
特色產(chǎn)品: ADuC7122 Precision Analog Microcontroller
標準包裝: 1
系列: MicroConverter® ADuC7xxx
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 41.78MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 126KB(63K x 16)
程序存儲器類型: 閃存
RAM 容量: 8K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 13x12b,D/A 12x12b
振蕩器型: 內(nèi)部
工作溫度: -10°C ~ 95°C
封裝/外殼: 108-LFBGA,CSPBGA
包裝: 托盤
ADuC7122
Rev. 0 | Page 79 of 96
VIC MMRs
IRQBASE Register
The vector base register, IRQBASE, is used to point to the start
address of memory used to store 32 pointer addresses. These
pointer addresses are the addresses of the individual interrupt
service routines.
Name:
IRQBASE
Address:
0xFFFF0014
Default Value:
0x00000000
Access:
Read and write
Table 130. IRQBASE MMR Bit Designations
Bit
Type
Initial Value
Description
31:16
Read only
Reserved
Always read as 0
15:0
R/W
0
Vector base address
IRQVEC Register
The IRQ interrupt vector register, IRQVEC points to a memory
address containing a pointer to the interrupt service routine of
the currently active IRQ. This register should only be read when
an IRQ occurs and IRQ interrupt nesting has been enabled by
setting Bit 0 of the IRQCONN register.
Name:
IRQVEC
Address:
0xFFFF001C
Default Value:
0x00000000
Access:
Read only
Table 131. IRQVEC MMR Bit Designations
Bit
Type
Initial
Value
Description
31:23
Read only
0
Always read as 0.
22:7
R/W
0
IRQBASE register value.
6:2
Read only
0
Highest priority IRQ source. This is a
value between 0 to 27 representing
the possible interrupt sources. For
example, if the highest currently
active IRQ is Timer1, then these
bits are 00011.
1:0
Reserved
0
Reserved bits.
Priority Registers
IRQP0 Register
Name:
IRQP0
Address:
0xFFFF0020
Default Value:
0x00000000
Access:
Read and write
Table 132. IRQP0 MMR Bit Designations
Bit
Name
Description
31:27
Reserved
Reserved bit.
26:24
T4PI
A priority level of 0 to 7 can be set for
Timer4.
23
Reserved
Reserved bit.
22:20
T3PI
A priority level of 0 to 7 can be set for
Timer3.
19
Reserved
Reserved bit.
18:16
T2PI
A priority level of 0 to 7 can be set for
Timer2.
15
Reserved
Reserved bit.
14:12
T1PI
A priority level of 0 to 7 can be set for
Timer1.
11
Reserved
Reserved bit.
10:8
T0PI
A priority level of 0 to 7 can be set for
Timer0.
7
Reserved
Reserved bit.
6:4
SWINTP
A priority level of 0 to 7 can be set for the
software interrupt source.
3:0
Reserved
Interrupt 0 cannot be prioritized.
IRQP1 Register
Name:
IRQP1
Address:
0xFFFF0024
Default Value:
0x00000000
Access:
Read and write
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