HD6473837FV Renesas Electronics America, HD6473837FV Datasheet - Page 82
HD6473837FV
Manufacturer Part Number
HD6473837FV
Description
IC H8/3837 MCU FLASH 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD6473837HV.pdf
(562 pages)
Specifications of HD6473837FV
Core Processor
H8/300L
Core Size
8-Bit
Speed
5MHz
Connectivity
SCI
Peripherals
LCD, PWM
Number Of I /o
84
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Eeprom Size
-
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-BQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473837FV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD6473837FV
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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3.2.3
After a reset, if an interrupt were to be accepted before the stack pointer (SP: R7) was initialized,
PC and CCR would not be pushed onto the stack correctly, resulting in program runaway. To
prevent this, immediately after reset exception handling all interrupts are masked. For this reason,
the initial program instruction is always executed immediately after a reset. This instruction should
initialize the stack pointer (e.g. MOV.W #xx: 16, SP).
RES
MD0
Internal
address bus
Internal read
signal
Internal write
signal
Internal data
bus (16-bit)
Interrupt Immediately after Reset
(1) Reset exception handling vector address (H'0000)
(2) Program start address
(3) First instruction of program
Figure 3.2 Reset Sequence (when MD0 Pin is Low)
8,192 clock
cycles
Vector fetch
(1)
(2)
Reset cleared
Internal
processing
Program initial
instruction prefetch
(2)
(3)
65
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