DF3026X25V Renesas Electronics America, DF3026X25V Datasheet - Page 385
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3026X25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 385 of 843
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Writing to RSTCSR: RSTCSR must be written by a word transfer instruction. It cannot be
written by byte transfer instructions. Figure 11.3 shows the format of data written to RSTCSR. To
write 0 in the WRST bit, the write data must have H'A5 in the upper byte and H'00 in the lower
byte. The data (H'00) in the lower byte is written to RSTCSR, clearing the WRST bit to 0. To
write to the RSTOE bit, the upper byte must contain H'5A and the lower byte must contain the
write data. Writing this word transfers a write data value into the RSTOE bit.
Reading TCNT, TCSR, and RSTCSR: For reads of TCNT, TCSR, and RSTCSR, address
H'FFF8C is assigned to TCSR, address H'FFF8D to TCNT, and address H'FFF8F to RSTCSR.
These registers are therefore read like other registers. Byte transfer instructions can be used for
reading. Table 11.3 lists the read addresses of TCNT, TCSR, and RSTCSR.
Table 11.3 Read Addresses of TCNT, TCSR, and RSTCSR
Note: * Lower 20 bits of the address in advanced mode.
Address *
H'FFF8C
H'FFF8D
H'FFF8F
Writing 0 in WRST bit
Writing to RSTOE bit
Note: * Lower 20 bits of the address in advanced mode.
Address
Address
Figure 11.3 Format of Data Written to RSTCSR
H'FFF8E *
H'FFF8E *
Register
TCSR
TCNT
RSTCSR
15
15
H'A5
H'5A
Rev. 2.00 Sep 20, 2005 page 345 of 800
8 7
8 7
Section 11 Watchdog Timer
Write data
H'00
REJ09B0260-0200
0
0
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