HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 248
HD6417751RF240V
Manufacturer Part Number
HD6417751RF240V
Description
MPU 1.5/3.3V 0K PB-FREE 256-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417751RBP200DV.pdf
(1226 pages)
Specifications of HD6417751RF240V
Core Processor
SH-4
Core Size
32-Bit
Speed
240MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
39
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-QFP Exposed Pad, 256-eQFP, 256-HQFP
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:
HD6417751RF240V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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5. Exceptions
(2) Manual Reset
• Sources:
• Transition address: H'A000 0000
• Transition operations:
Table 5.3
Type
Power-on reset
Manual reset
Rev.4.00 Oct. 10, 2008 Page 148 of 1122
REJ09B0370-0400
Manual_reset()
{
}
⎯ MRESET pin low level and RESET pin high level
⎯ When a general exception other than a user break occurs while the BL bit is set to 1 in SR
⎯ When the watchdog timer overflows while the RSTS bit is set to 1 in WTCSR. For details,
Exception code H'020 is set in EXPEVT, initialization of VBR and SR is performed, and a
branch is made to PC = H'A000 0000.
In the initialization processing, the VBR register is set to H'0000 0000, and in SR, the MD,
RB, and BL bits are set to 1, the FD bit is cleared to 0, and the interrupt mask bits (IMASK)
are set to B'1111.
CPU and on-chip peripheral module initialization is performed. For details, see the register
descriptions in the relevant sections.
EXPEVT = H'00000020;
VBR = H'00000000;
SR.MD = 1;
SR.RB = 1;
SR.BL = 1;
SR.IMASK = B'1111;
SR.FD = 0;
Initialize_CPU();
Initialize_Module(Manual);
PC = H'A0000000;
see section 10, Clock Oscillation Circuits.
Types of Reset
Reset State Transition
Conditions
MRESET
—
Low
Low
RESET
High
Internal States
CPU
Initialized
Initialized
On-Chip Peripheral Modules
See Register Configuration in
each section
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