HD6417011VX20V Renesas Electronics America, HD6417011VX20V Datasheet - Page 60
HD6417011VX20V
Manufacturer Part Number
HD6417011VX20V
Description
MPU 5V 0K 100-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7010r
Datasheet
1.HD6417011VX20V.pdf
(294 pages)
Specifications of HD6417011VX20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
POR, PWM
Number Of I /o
11
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 7x10b
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
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417011VX20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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5.2
5.2.1
A reset has the highest priority of any exception source. As shown in table 5.5, a power-on reset
initializes the internal state of the CPU and the on-chip peripheral module registers.
Table 5.5
Type
Power-on reset
5.2.2
When the RES pin is driven low, the LSI does a power-on reset. To reliably reset the LSI, the RES
pin should be kept at low for at least the duration of the oscillation settling time when applying
power or when in standby mode (when the clock circuit is halted) or at least 20 t
clock circuit is running). During power-on reset, CPU internal status and all registers of on-chip
peripheral modules are initialized. See Appendix B, Pin Status, for the status of individual pins
during the power-on reset status.
In the power-on reset status, power-on reset exception processing starts when the RES pin is first
driven low for a set period of time and then returned to high. The CPU will then operate as
follows:
1. The initial value (execution start address) of the program counter (PC) is fetched from the
2. The initial value of the stack pointer (SP) is fetched from the exception processing vector table.
3. The vector base register (VBR) is cleared to H'00000000 and the interrupt mask bits (I3–I0) of
4. The values fetched from the exception processing vector table are set in the program counter
Be certain to always perform power-on reset processing when turning the system power on.
exception processing vector table.
the status register (SR) are set to H'F (1111).
(PC) and SP and the program begins executing.
Resets
Reset
Power-On Reset
Types of Resets
Conditions for Transition
to Reset Status
RES
Low
CPU
Initialized
Internal Status
On-Chip Peripheral Module
Initialized
cyc
(when the
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