HD64F3694FTV Renesas Electronics America, HD64F3694FTV Datasheet - Page 86
HD64F3694FTV
Manufacturer Part Number
HD64F3694FTV
Description
IC H8/3694F MCU FLASH 48-QFN
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3694GFYV.pdf
(452 pages)
Specifications of HD64F3694FTV
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
29
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
48-QFN
For Use With
R0K436079S000BE - KIT DEV FOR H8/36079 W/COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 3 Exception Handling
3.3
When the RES pin goes low, all processing halts and this LSI enters the reset. The internal state of
the CPU and the registers of the on-chip peripheral modules are initialized by the reset. To ensure
that this LSI is reset at power-up, hold the RES pin low until the clock pulse generator output
stabilizes. To reset the chip during operation, hold the RES pin low for at least 10 system clock
cycles. When the RES pin goes high after being held low for the necessary time, this LSI starts
reset exception handling. The reset exception handling sequence is shown in figure 3.1.
The reset exception handling sequence is as follows. However, for the reset exception handling
sequence of the product with on-chip power-on reset circuit, refer to section 18, Power-On Reset
and Low-Voltage Detection Circuits (Optional).
1. Set the I bit in the condition code register (CCR) to 1.
2. The CPU generates a reset exception handling vector address (from H'0000 to H'0001), the
Rev.5.00 Nov. 02, 2005 Page 56 of 418
REJ09B0028-0500
Bit
2
1
0
data in that address is sent to the program counter (PC) as the start address, and program
execution starts from that address.
Bit Name
IWPF2
IWPF1
IWPF0
Reset Exception Handling
Initial
Value
0
0
0
R/W
R/W
R/W
R/W
Description
WKP2 Interrupt Request Flag
[Setting condition]
When WKP2 pin is designated for interrupt input and the
designated signal edge is detected.
[Clearing condition]
When IWPF2 is cleared by writing 0.
WKP1 Interrupt Request Flag
[Setting condition]
When WKP1 pin is designated for interrupt input and the
designated signal edge is detected.
[Clearing condition]
When IWPF1 is cleared by writing 0.
WKP0 Interrupt Request Flag
[Setting condition]
When WKP0 pin is designated for interrupt input and the
designated signal edge is detected.
[Clearing condition]
When IWPF0 is cleared by writing 0.
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