CP3BT10G38 National Semiconductor, CP3BT10G38 Datasheet - Page 49
CP3BT10G38
Manufacturer Part Number
CP3BT10G38
Description
IC CPU RISC W/LLC&USB 100-LQFP
Manufacturer
National Semiconductor
Datasheet
1.CP3BT10G38.pdf
(210 pages)
Specifications of CP3BT10G38
Applications
Connectivity Processor
Core Processor
CR16C
Program Memory Type
FLASH (256 kB)
Controller Series
CP3000
Ram Size
10K x 8
Interface
Bluetooth, ACCESS.bus, Audio, UART, USB, Microwire/SPI
Number Of I /o
37
Voltage - Supply
2.25 V ~ 2.75 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*CP3BT10G38
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10.3.6
The ISTAT0 register is a word-wide read-only register. It in-
dicates which maskable interrupt inputs to the ICU are ac-
tive. These bits are not affected by the state of the
corresponding IENA bits.
IST
10.3.7
The ISTAT1 register is a word-wide read-only register. It in-
dicates which maskable interrupt inputs into the ICU are ac-
tive. These bits are not affected by the state of the
corresponding IENA bits.
IST
15
15
Interrupt Status Register 0 (ISTAT0)
Interrupt Status Register 1 (ISTAT1)
The Interrupt Status bits indicate if a
maskable interrupt source is signalling an in-
terrupt request. IST[15:1] correspond to
IRQ15 to IRQ1 respectively. Because the
IRQ0 interrupt is not used, bit 0 always reads
back 0.
0
1
The Interrupt Status bits indicate if a
maskable interrupt source is signalling an in-
terrupt request. IST[31:16] correspond to
IRQ31 to IRQ16, respectively.
0
1
–
–
–
–
Interrupt is not active.
Interrupt is active.
Interrupt is not active.
Interrupt is active.
IST
IST
1
Res.
0
0
49
10.4
Table 22 shows the interrupts assigned to various on-chip
maskable interrupts. The priority of simultaneous maskable
interrupts is linear, with IRQ31 having the highest priority.
IRQ Number
IRQ31
IRQ30
IRQ29
IRQ28
IRQ27
IRQ26
IRQ25
IRQ24
IRQ23
IRQ22
IRQ21
IRQ20
IRQ19
IRQ18
IRQ17
IRQ16
IRQ15
IRQ14
IRQ13
IRQ12
IRQ11
IRQ10
IRQ9
IRQ8
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
IRQ2
IRQ1
IRQ0
Table 22 Maskable Interrupts Assignment
MASKABLE INTERRUPT SOURCES
TWM (Timer 0)
Bluetooth LLC 0
Bluetooth LLC 1
Bluetooth LLC 2
Bluetooth LLC 3
Bluetooth LLC 4
Bluetooth LLC 5
USB Interface
DMA Channel 0
DMA Channel 1
DMA Channel 2
DMA Channel 3
Reserved
Advanced Audio Interface
UART Rx
CVSD/PCM Converter
ACCESS.bus Interface
TA (Timer input A)
TB (Timer input B)
VTUA (VTU Interrupt Request 1)
VTUB (VTU Interrupt Request 2)
VTUC (VTU Interrupt Request 3)
VTUD (VTU Interrupt Request 4)
Microwire/SPI Rx/Tx
UART Tx
UART CTS
MIWU Interrupt 0
MIWU Interrupt 1
MIWU Interrupt 2
MIWU Interrupt 3
Flash Program/Data Memory
Reserved
Details
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