DF2505BR26DV Renesas Electronics America, DF2505BR26DV Datasheet - Page 850

• Manufacturer Part Number: DF2505BR26DV
• Description: IC H8S/2505 MCU FLASH 176-LFBGA
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2500r

Specifications of DF2505BR26DV

• 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: 176-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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
⎯