HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 118
HD6473837H
Manufacturer Part Number
HD6473837H
Description
IC H8 MCU OTP 60K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD6473837HV.pdf
(562 pages)
Specifications of HD6473837H
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
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-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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5.3.4
The system goes from active (high-speed or medium-speed) mode to standby mode when a
SLEEP instruction is executed while the SSBY bit in SYSCR1 is set to 1, the LSON bit is cleared
to 0, and bit TMA3 in TMA is cleared to 0. Port pins (except those with their MOS pull-up turned
on) enter high-impedance state when the transition to standby mode is made. This timing is shown
in figure 5.2.
5.4
5.4.1
The system goes from active or subactive mode to watch mode when a SLEEP instruction is
executed while the SSBY bit in SYSCR1 is set to 1 and bit TMA3 in TMA is set to 1.
In watch mode, operation of on-chip peripheral modules other than timer A and the LCD
controller is halted. The LCD controller can be selected to operate or to halt. As long as a
minimum required voltage is applied, the contents of CPU registers and some registers of the on-
chip peripheral modules, and the on-chip RAM contents, are retained. I/O ports keep the same
states as before the transition.
Internal
data bus
Port pins
Transition to Standby Mode and Port Pin States
Watch Mode
Transition to Watch Mode
SLEEP instruction fetch
Figure 5.2 Transition to Standby Mode and Port Pin States
Active (high-speed or medium-speed) mode
Output
Next instruction fetch
SLEEP instruction
execution
processing
Internal
High-impedance
Standby mode
101
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