HD6473228F10V Renesas Electronics America, HD6473228F10V Datasheet - Page 228
HD6473228F10V
Manufacturer Part Number
HD6473228F10V
Description
MCU 5V 32K,PB-FREE 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/325r
Datasheet
1.HD6413238F10.pdf
(301 pages)
Specifications of HD6473228F10V
Core Processor
H8/300
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI, UART/USART
Number Of I /o
53
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473228F10V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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The NMI edge bit (NMIEG) in the system control register is originally cleared to 0, selecting the
falling edge. When NMI goes low, the NMI interrupt handling routine sets NMIEG to 1 (selecting
the rising edge), sets SSBY to 1, then executes the SLEEP instruction. The chip enters the software
standby mode. It recovers from the software standby mode on the next rising edge of NMI.
12.4.4 Notes on Current Dissipation
1. The I/O ports remain in their current states in software standby mode. If a port is in the high
2. When software standby mode is entered under condition (a) or (b) below, current dissipation is
output state, it continues to dissipate power in proportion to the output current.
higher (I
(a) In single-chip mode (mode 3): when software standby mode is entered by executing an
Clock
generator
NMI
NMIEG
SSBY
Ø
instruction stored in on-chip ROM, after even one instruction not stored in on-chip ROM
has been fetched (e.g. from on-chip RAM).
CC
= 100 to 300 µA) than normal in standby mode.
Figure 12-1. Software Standby Mode NMI Timing (Example)
NMI interrupt handler
NMIEG = 1
SSBY = 1
Software standby mode
SLEEP
(power-down state)
224
Settling time
Fig 12-1
NMI interrupt handler
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