DF2505FC26V Renesas Electronics America, DF2505FC26V Datasheet - Page 850
DF2505FC26V
Manufacturer Part Number
DF2505FC26V
Description
IC H8S/2505 MCU FLASH 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2505FC26V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
26MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 22 Power-Down Modes
22.4.3
Set bits STS2 to STS0 in SBYCR so that the standby time is at least 8 ms (the oscillation settling
time). Table 22.3 shows the standby times for different operating frequencies and settings of bits
STS2 to STS0.
Table 22.3 Oscillation Settling Time Settings
Shading: Recommended time setting
Legend:
X:
Note:
22.4.4
Figure 22.3 shows an example in which a transition is made to software standby mode at the
falling edge on the NMI pin, and software standby mode is cleared at the rising edge on the NMI
pin.
In this example, an NMI interrupt is accepted with the NMIEG bit in SYSCR cleared to 0 (falling
edge specification), then the NMIEG bit is set to 1 (rising edge specification), the SSBY bit is set
to 1, and a SLEEP instruction is executed, causing a transition to software standby mode.
Software standby mode is then cleared at the rising edge on the NMI pin.
Rev. 6.00 Sep. 24, 2009 Page 802 of 928
REJ09B0099-0600
STS2 STS1 STS0 Standby Time
0
1
0
1
0
1
Don't care
*
Oscillation Settling Time after Clearing Software Standby Mode
Software Standby Mode Application Example
The H8S/2556 Group supports the operating frequencies up to 20 MHz.
0
1
0
1
0
1
X
8192 states
16384 states
32768 states
65536 states
131072 states
262144 states
Reserved
25 MHz* 20 MHz 16 MHz 13 MHz 10 MHz 8 MHz
0.33
0.66
1.3
2.6
5.2
10.5
⎯
0.41
0.82
1.6
3.3
6.6
13.1
⎯
0.51
1.0
2.0
4.1
8.2
16.4
⎯
0.63
1.3
2.5
5.0
10.1
20.2
⎯
0.8
1.6
3.3
6.6
13.1
26.2
⎯
1.0
2.0
4.1
8.2
16.4
32.8
⎯
Unit
ms
⎯
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