R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 1512
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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29. User Break Controller (UBC)
29.4
By using the user break debugging support function, the branch destination address can be
modified when the CPU accepts the user break request. Specifically, setting the UBDE bit of
break control register CBCR to 1 allows branching to the address indicated by DBR instead of
branching to the address indicated by the [VBR + offset]. Figure 29.2 shows the flowchart of the
user break debugging support function.
Rev.1.00 Jan. 10, 2008 Page 1480 of 1658
REJ09B0261-0100
Hardware operations
User Break Debugging Support Function
Debugging program
(STC instruction)
Figure 29.2 Flowchart of User Break Debugging Support Function
R15 ← SGR
PC ← DBR
Yes
EXPEVT ← Exception code
(CBCR.UBDE == 1)
&& (user break)?
Exception
No
Exception handling routine
PC ← VBR + vector offset
INTEVT ← Interrupt code
Exception operation ends
Exception/interrupt/trap?
Execute RTE instruction
Exception/interrupt
Reset exception?
SR.MD ← B'1
SR.RB ← B'1
SR.BL ← B'1
is generated
SGR ← R15
SPC ← PC
SSR ← SR
PC ← SPC
SR ← SSR
No
Interrupt
Yes
TRA ← TRAPA (imm)
Trap
PC ← H'A000 0000
EXPEVT ← H'160
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