参数资料
型号: ADSP-BF524BBCZ-4A
厂商: Analog Devices Inc
文件页数: 8/88页
文件大小: 0K
描述: IC DSP CTRLR 400MHZ 208CSPBGA
标准包装: 1
系列: Blackfin®
类型: 定点
接口: DMA,I²C,PPI,SPI,SPORT,UART,USB
时钟速率: 400MHz
非易失内存: ROM(32 kB)
芯片上RAM: 132kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.30V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 208-LFBGA,CSPBGA
供应商设备封装: 208-CSPBGA
包装: 托盘
ADSP-BF522/ADSP-BF523/ADSP-BF524/ADSP-BF525/ADSP-BF526/ADSP-BF527
Table 3. System Interrupt Controller (SIC) (Continued)
General Purpose
Default
Peripheral Interrupt Event
OTP Memory Interrupt
GP Counter
DMA Channel 1 (MAC RX/HOSTDP)
Port H Interrupt A
DMA Channel 2 (MAC TX/NFC)
Port H Interrupt B
Timer 0
Timer 1
Timer 2
Timer 3
Timer 4
Timer 5
Timer 6
Timer 7
Port G Interrupt A
Port G Interrupt B
MDMA Stream 0
MDMA Stream 1
Software Watchdog Timer
Port F Interrupt A
Port F Interrupt B
SPI Status
NFC Status
HOSTDP Status
Host Read Done
Reserved
USB_INT0 Interrupt
USB_INT1 Interrupt
USB_INT2 Interrupt
USB_DMAINT Interrupt
Interrupt (at RESET)
IVG11
IVG11
IVG11
IVG11
IVG11
IVG11
IVG12
IVG12
IVG12
IVG12
IVG12
IVG12
IVG12
IVG12
IVG12
IVG12
IVG13
IVG13
IVG13
IVG13
IVG13
IVG7
IVG7
IVG7
IVG7
IVG10
IVG10
IVG10
IVG10
IVG10
Peripheral Interrupt ID
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
Core Interrupt ID
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
0
0
0
0
3
3
3
3
3
SIC Registers
IAR3 IMASK0, ISR0, IWR0
IAR3 IMASK0, ISR0, IWR0
IAR3 IMASK0, ISR0, IWR0
IAR3 IMASK0, ISR0, IWR0
IAR3 IMASK0, ISR0, IWR0
IAR3 IMASK0, ISR0, IWR0
IAR4 IMASK1, ISR1, IWR1
IAR4 IMASK1, ISR1, IWR1
IAR4 IMASK1, ISR1, IWR1
IAR4 IMASK1, ISR1, IWR1
IAR4 IMASK1, ISR1, IWR1
IAR4 IMASK1, ISR1, IWR1
IAR4 IMASK1, ISR1, IWR1
IAR4 IMASK1, ISR1, IWR1
IAR5 IMASK1, ISR1, IWR1
IAR5 IMASK1, ISR1, IWR1
IAR5 IMASK1, ISR1, IWR1
IAR5 IMASK1, ISR1, IWR1
IAR5 IMASK1, ISR1, IWR1
IAR5 IMASK1, ISR1, IWR1
IAR5 IMASK1, ISR1, IWR1
IAR5 IMASK1, ISR1, IWR1
IAR6 IMASK1, ISR1, IWR1
IAR6 IMASK1, ISR1, IWR1
IAR6 IMASK1, ISR1, IWR1
IAR6 IMASK1, ISR1, IWR1
IAR6 IMASK1, ISR1, IWR1
IAR6 IMASK1, ISR1, IWR1
IAR6 IMASK1, ISR1, IWR1
IAR6 IMASK1, ISR1, IWR1
Event Control
The processor provides a very flexible mechanism to control the
processing of events. In the CEC, three registers are used to
coordinate and control events. Each register is 16 bits wide.
? CEC interrupt latch register (ILAT) — Indicates when
events have been latched. The appropriate bit is set when
the processor has latched the event and cleared when the
event has been accepted into the system. This register is
updated automatically by the controller, but it may be writ-
ten only when its corresponding IMASK bit is cleared.
? CEC interrupt mask register (IMASK) — Controls the
masking and unmasking of individual events. When a bit is
set in the IMASK register, that event is unmasked and is
processed by the CEC when asserted. A cleared bit in the
IMASK register masks the event, preventing the processor
from servicing the event even though the event may be
latched in the ILAT register. This register may be read or
written while in supervisor mode. (Note that general-
purpose interrupts can be globally enabled and disabled
with the STI and CLI instructions, respectively.)
? CEC interrupt pending register (IPEND) — The IPEND
register keeps track of all nested events. A set bit in the
IPEND register indicates the event is currently active or
nested at some level. This register is updated automatically
by the controller but may be read while in supervisor mode.
The SIC allows further control of event processing by providing
three pairs of 32-bit interrupt control and status registers. Each
register contains a bit corresponding to each of the peripheral
interrupt events shown in Table 3 on Page 7 .
? SIC interrupt mask registers (SIC_IMASKx) — Control the
masking and unmasking of each peripheral interrupt event.
When a bit is set in these registers, that peripheral event is
Rev. D | Page 8 of 88 | July 2013
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