HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 126
HD64F7051SFJ20V
Manufacturer Part Number
HD64F7051SFJ20V
Description
MCU 5V 256K J-TEMP PB-FREE QFP-1
Manufacturer
Renesas Electronics America
Series
SuperH® SH7050r
Datasheet
1.HD64F7050SFJ20V.pdf
(843 pages)
Specifications of HD64F7051SFJ20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, WDT
Number Of I /o
102
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
168-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS
Quantity:
101
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 126 of 843
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Section 7 User Break Controller (UBC)
7.3.2
On-chip memory (on-chip ROM and/or RAM) is always accessed as 32 bits in 1 bus cycle.
Therefore, 2 instructions can be retrieved in 1 bus cycle when fetching instructions from on-chip
memory. At such times, only 1 bus cycle is generated, but by setting the start addresses of both
instructions in the user break address register (UBAR) it is possible to cause independent breaks.
In other words, when wanting to effect a break using the latter of two addresses retrieved in 1 bus
cycle, set the start address of that instruction in UBAR. The break will occur after execution of the
former instruction.
7.3.3
Break on Instruction Fetch (Before Execution): The program counter (PC) value saved to the
stack in user break interrupt exception processing is the address that matches the break condition.
The user break interrupt is generated before the fetched instruction is executed. If a break
condition is set in an instruction fetch cycle placed immediately after a delayed branch instruction
(delay slot), or on an instruction that follows an interrupt-disabled instruction, however, the user
break interrupt is not accepted immediately, but the break condition establishing instruction is
executed. The user break interrupt is accepted after execution of the instruction that has accepted
the interrupt. In this case, the PC value saved is the start address of the instruction that will be
executed after the instruction that has accepted the interrupt.
Break on Data Access (CPU/Peripheral): The program counter (PC) value is the top address of
the next instruction after the last instruction executed before the user break exception processing
started. When data access (CPU/peripheral) is set as a break condition, the place where the break
will occur cannot be specified exactly. The break will occur at the instruction fetched close to
where the data access that is to receive the break occurs.
Rev. 5.00 Jan 06, 2006 page 104 of 818
REJ09B0273-0500
Break on On-Chip Memory Instruction Fetch Cycle
Program Counter (PC) Values Saved
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