DF3026X25V Renesas Electronics America, DF3026X25V Datasheet - Page 644
![MCU 3V 256K PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3026X25V
Manufacturer Part Number
DF3026X25V
Description
MCU 3V 256K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3026X25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
70
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3026X25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 20 Power-Down State
20.6
20.6.1
The module standby function can halt several of the on-chip supporting modules (SCI1, SCI0, 16-
bit timer, 8-bit timer, and A/D converter) independently in the power-down state. This standby
function is controlled by bits MSTPH2 to MSTPH0 in MSTCRH and bits MSTPL7 to MSTPL0 in
MSTCRL. When one of these bits is set to 1, the corresponding on-chip supporting module is
placed in standby and halts at the beginning of the next bus cycle after the MSTCR write cycle.
20.6.2
When an on-chip supporting module is in module standby, read/write access to its registers is
disabled. Read access always results in H'FF data. Write access is ignored.
20.6.3
When using the module standby function, note the following points.
On-chip Supporting Module Interrupts: Before setting a module standby bit, first disable
interrupts by that module. When an on-chip supporting module is placed in standby by the
module standby function, its registers are initialized, including registers with interrupt request
flags.
Pin States: Pins used by an on-chip supporting module lose their module functions when the
module is placed in module standby. What happens after that depends on the particular pin. For
details, see section 7, I/O Ports. Pins that change from the input to the output state require special
care. For example, if SCI1 is placed in module standby, the receive data pin loses its receive data
function and becomes a port pin. If its port DDR bit is set to 1, the pin becomes a data output pin,
and its output may collide with external SCI transmit data. Data collision should be prevented by
clearing the port DDR bit to 0 or taking other appropriate action.
Register Resetting: When an on-chip supporting module is halted by the module standby
function, all its registers are initialized. To restart the module, after its MSTCR bit is cleared to 0,
its registers must be set up again. It is not possible to write to the registers while the MSTCR bit is
set to 1.
Rev. 2.00 Sep 20, 2005 page 604 of 800
REJ09B0260-0200
Module Standby Function
Module Standby Timing
Read/Write in Module Standby
Usage Notes
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