HD64F2612FA20 Renesas Electronics America, HD64F2612FA20 Datasheet - Page 535
![IC H8S MCU FLASH 128K 80QFP](/photos/12/41/124149/hd64f2612fa20_sml.jpg)
HD64F2612FA20
Manufacturer Part Number
HD64F2612FA20
Description
IC H8S MCU FLASH 128K 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2612FA20
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
43
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD64F2612FA20
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Part Number:
HD64F2612FA20J
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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20.5
20.5.1
When the STBY pin is driven low, a transition is made to hardware standby mode from any mode.
In hardware standby mode, all functions enter the reset state and stop operation, resulting in a
significant reduction in power dissipation. As long as the prescribed voltage is supplied, on-chip
RAM data is retained. I/O ports are set to the high-impedance state.
In order to retain on-chip RAM data, the RAME bit in SYSCR should be cleared to 0 before
driving the STBY pin low.
Do not change the state of the mode pins (MD0 to MD2) while this LSI is in hardware standby
mode.
20.5.2
Hardware standby mode is cleared by means of the STBY pin and the RES pin. When the STBY
pin is driven high while the RES pin is low, the reset state is set and clock oscillation is started.
Ensure that the RES pin is held low until the clock oscillator stabilizes (at least 8 ms—the
oscillation stabilization time—when using a crystal oscillator). When the RES pin is subsequently
driven high, a transition is made to the program execution state via the reset exception handling
state.
20.5.3
Timing of Transition to Hardware Standby Mode
1. To retain RAM contents with the RAME bit set to 1 in SYSCR
Drive the RES signal low at least 10 states before the STBY signal goes low, as shown in
figure 20.4. After STBY has gone low, RES has to wait for at least 0 ns before becoming high.
Hardware Standby Mode Timings
Hardware Standby Mode
Transition to Hardware Standby Mode
Clearing Hardware Standby Mode
STBY
RES
Figure 20.4 Timing of Transition to Hardware Standby Mode
t
1
≥ 10 t
cyc
t
2
≥ 0 ns
Rev. 7.00 Sep. 11, 2009 Page 499 of 566
Section 20 Power-Down Modes
REJ09B0211-0700
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