HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 89
![IC H8S MCU FLASH 256K 100-QFP](/photos/12/21/122166/qfp100-g1_pkg_sml.jpg)
HD64F2623FA20J
Manufacturer Part Number
HD64F2623FA20J
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2623FA20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
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)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2623FA20J
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD64F2623FA20J
Manufacturer:
HITACHI/日立
Quantity:
20 000
Part Number:
HD64F2623FA20JV
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 89 of 1071
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Section 2 CPU
(2) Reset Exception Handling
After the RES pin has gone low and the reset state has been entered, when RES pin goes high
again, reset exception handling starts. The CPU enters the reset state when the RES is low. When
reset exception handling starts the CPU fetches a start address (vector) from the exception vector
table and starts program execution from that address. All interrupts, including NMI, are disabled
during reset exception handling and after it ends.
(3) Traces
Traces are enabled only in interrupt control mode 2. Trace mode is entered when the T bit of EXR
is set to 1. When trace mode is established, trace exception handling starts at the end of each
instruction.
At the end of a trace exception-handling sequence, the T bit of EXR is cleared to 0 and trace mode
is cleared. Interrupt masks are not affected.
The T bit saved on the stack retains its value of 1, and when the RTE instruction is executed to
return from the trace exception-handling routine, trace mode is entered again. Trace exception-
handling is not executed at the end of the RTE instruction.
Trace mode is not entered in interrupt control mode 0, regardless of the state of the T bit.
(4) Interrupt Exception Handling and Trap Instruction Exception Handling
When interrupt or trap-instruction exception handling begins, the CPU references the stack pointer
(ER7) and pushes the program counter and other control registers onto the stack. Next, the CPU
alters the settings of the interrupt mask bits in the control registers. Then the CPU fetches a start
address (vector) from the exception vector table and program execution starts from that start
address.
Figure 2.16 shows the stack after exception handling ends.
Rev. 5.00 Jan 10, 2006 page 63 of 1042
REJ09B0275-0500
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