HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 107
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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6.5
6.5.1
Two instructions are simultaneously fetched from on-chip memory. If a break condition is set on
the second of these two instructions but the contents of the UBC break condition registers are
changed so as to alter the break condition immediately after the first of the two instructions is
fetched, a user break interrupt will still occur when the second instruction is fetched.
6.5.2
When a conditional branch instruction or TRAPA instruction causes a branch, instructions are
fetched and executed as follows:
1. Conditional branch instruction, branch taken: BT, BF
2. TRAPA instruction, branch taken: TRAPA
When a conditional branch instruction or TRAPA instruction causes a branch, the branch
destination will be fetched after the next instruction or the one after that does an overrun fetch.
When the next instruction or the one after that is set as a break condition, a branch will result in
the generation of a user break interrupt at the next instruction or the instruction after that, neither
of which instructions will be executed.
86 RENESAS
Instruction fetch cycles: Conditional branch fetch
instruction overrun fetch
Instruction execution: Conditional branch instruction execution
instruction execution
Instruction fetch cycles: TRAPA instruction fetch
instruction overrun fetch
Instruction execution: TRAPA instruction execution
execution
Notes
On-Chip Memory Instruction Fetch
Instruction Fetch at Branches
Branch destination fetch
Branch destination fetch
Next-instruction overrun fetch
Next-instruction overrun fetch
Branch destination instruction
Branch destination
Next-
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