HD6417750RF240DV Renesas Electronics America, HD6417750RF240DV Datasheet - Page 934

• Manufacturer Part Number: HD6417750RF240DV
• Description: MPU 3V 16K I-TEMP,PB-FREE 208-QF
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of HD6417750RF240DV

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 240MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 28
• Program Memory Type: ROMless
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 208-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Section 19 Interrupt Controller (INTC)
Rev.7.00 Oct. 10, 2008 Page 848 of 1074
REJ09B0366-0700
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; R0 : tmp
;; R1 : Original SR
;; R2 : Original ICR
;; R3 : ICR Address
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
NMIH:
; (1) Set SR.IMASK = H'F
; (2) Reverse ICR.NMIE
NMIH2:
;
stc
mov
or
ldc
mov.l #ICR, R3
mov.w @R3, R2
mov.w #H'0100, R0
xor
mov.w R0, @R3
bra
nop
.pool
.align 4
mov.w @R3, R0
mov.w R2, @R3
stc
ldc
ldc
ldc
ldc
ldc
ldc
ldc
ldc
SR, R1 ;
R1,R0
#H'F0,R0
R0, SR
R2, R0
NMIH1
SR, R0
R0, SR
R0, SR
R0, SR
R0, SR
R0, SR
R0, SR
R0, SR
R0, SR
;
;
;
;
Store SR
Store ICR
Write ICR.NMIE inverted (dummy)
dummy read
Write ICR.NMIE