LPC2458FET180,551 NXP Semiconductors, LPC2458FET180,551 Datasheet - Page 755

• Manufacturer Part Number: LPC2458FET180,551
• Description: IC ARM7 MCU FLASH 512K 180TFBGA
• Manufacturer: NXP Semiconductors
• Series: LPC2400r

Specifications of LPC2458FET180,551

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 72MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, Microwire, MMC, SPI, SSI, SSP, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 136
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 98K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 180-TFBGA
• Processor Series: LPC24
• Core: ARM7TDMI-S
• Data Bus Width: 32 bit
• Data Ram Size: 98 KB
• Interface Type: CAN, Ethernet, I2C, I2S, IrDA, SPI, SSP, UART, USB
• Maximum Clock Frequency: 72 MHz
• Number Of Programmable I/os: 136
• Number Of Timers: 4
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2, SAB-TFBGA180
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• On-chip Dac: 10 bit, 1 Channel
• Package: 180TFBGA
• Device Core: ARM7TDMI-S
• Family Name: LPC2000
• Maximum Speed: 72 MHz
• For Use With: 622-1023 - BOARD SCKT ADAPTER FOR TFBGA180622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 568-4258; 935282454551; LPC2458FET180-S

NXP Semiconductors
UM10237_4
User manual
; /*********************************************************************
; * Setup Vectored Interrupt controller. DCC Rx and Tx interrupts
; * generate Non Vectored IRQ request. rm_init_entry is aware
; * of the VIC and it enables the DBGCommRX and DBGCommTx interrupts.
; * Default vector address register is programmed with the address of
; * Non vectored app_irqDispatch mentioned in this example. User can setup
; * Vectored IRQs or FIQs here.
; *********************************************************************/
; /*********************************************************************
; * Get the address of the User entry point.
; *********************************************************************/
; /*********************************************************************
; * Non vectored irq handler (app_irqDispatch)
; *********************************************************************/
AREA app_irqDispatch, CODE
VICVectAddrOffset EQU 0x30
app_irqDispatch
;User should insert code here if non vectored Interrupt sharing is
;required. Each non vectored shared irq handler must return to
;the interrupted instruction by using the following code.
;
;
;
;
;
;
;
VICBaseAddr
VICDefVectAddrOffset EQU 0x34
LDR
LDR
STR
BL
;enable FIQ and IRQ in ARM Processor
MRS
BIC
MSR
LDR
MOV
;enable interrupt nesting
STMFD sp!, {r12,r14}
MRS
MSR
MSR
MSR
STMFD sp!, {r0}
LDR
STR
LDMFD sp!, {r12,r14,r0}
SUBS pc, r14, #4
;user interrupt did not happen so call rm_irqhandler2. This handler
r0, =VICBaseAddr
r1, =app_irqDispatch
r1, [r0,#VICDefVectAddrOffset]
rm_init_entry
r1, CPSR
r1, r1, #0xC0
CPSR_c, r1
lr, =User_Entry
pc, lr
r12, spsr
cpsr_c,0x1F
cpsr_c, #0x52
spsr, r12
r0, =VICBaseAddr
r1, [r0,#VICVectAddrOffset]
Rev. 04 — 26 August 2009
EQU 0xFFFFF000 ; VIC Base address
;Initialize RealMonitor
; get the CPSR
; enable IRQs and FIQs
; update the CPSR
;Save SPSR in to r12
;Re-enable IRQ, go to system mode
;Disable irq, move to IRQ mode
;Restore SPSR from r12
;Acknowledge Non Vectored irq has finished
;Restore registers
;Return to the interrupted instruction
Chapter 35: LPC24XX RealMonitor
UM10237
© NXP B.V. 2009. All rights reserved.
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