HD64F7047F50 Renesas Electronics America, HD64F7047F50 Datasheet - Page 143

IC SUPERH MCU FLASH 256K 100QFP

HD64F7047F50

Manufacturer Part Number
HD64F7047F50
Description
IC SUPERH MCU FLASH 256K 100QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7047r
Datasheet

Specifications of HD64F7047F50

Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
53
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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7.3
7.3.1
The flow from setting of break conditions to user break interrupt exception processing is described
below:
1. The user break addresses are set in the user break address register (UBAR), the desired masked
2. The UBC uses the method shown in figure 7.2 to determine whether set conditions have been
3. The interrupt controller checks the accepted user break interrupt request signal’s priority level.
4. The INTC sends the user break interrupt request signal to the CPU, which begins user break
bits in the addresses are set in the user break address mask register (UBAMR) and the breaking
bus cycle type is set in the user break bus cycle register (UBBR). If even one of the three
groups of the UBBR’s CPU cycle/DTC cycle select bits (CP1, CP0), instruction fetch/data
access select bits (ID1, ID0), and read/write select bits (RW1, RW0) is set to 00 (no user break
generated), no user break interrupt will be generated even if all other conditions are satisfied.
When using user break interrupts, always be certain to establish bit conditions for all of these
three groups.
satisfied or not. When the set conditions are satisfied, the UBC sends a user break interrupt
request signal to the interrupt controller (INTC). At the same time, a condition match signal is
output at the UBCTRG pin with the pulse width set in bits CKS1 and CKS0.
The user break interrupt has priority level 15, so it is accepted only if the interrupt mask level
in bits I3–I0 in the status register (SR) is 14 or lower. When the I3–I0 bit level is 15, the user
break interrupt cannot be accepted but it is held pending until user break interrupt exception
processing can be carried out. Consequently, user break interrupts within NMI exception
service routines cannot be accepted, since the I3–I0 bit level is 15. However, if the I3–I0 bit
level is changed to 14 or lower at the start of the NMI exception service routine, user break
interrupts become acceptable thereafter. See section 6, Interrupt Controller (INTC), for the
details on the handling of priority levels.
interrupt exception processing upon receipt. See section 6.6, Interrupt Operation, for the details
on interrupt exception processing.
Operation
Flow of the User Break Operation
Rev. 2.00, 09/04, page 101 of 720

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