HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 737
HD64F2623FA20J
Manufacturer Part Number
HD64F2623FA20J
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2623FA20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
53
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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21A.6.3 Setting Oscillation Stabilization Time after Clearing Software Standby Mode
Bits STS2 to STS0 in SBYCR should be set as described below.
Using a Crystal Oscillator: Set bits STS2 to STS0 so that the standby time is at least 8 ms (the
oscillation stabilization time).
Table 21A.4 shows the standby times for different operating frequencies and settings of bits STS2
to STS0.
Table 21A.4 Oscillation Stabilization Time Settings
Note:
Using an External Clock: It is necessary to allow time for the PLL circuit to stabilize. Therefore,
the standby time should be set to a value of 2 ms or greater.
STS2
0
1
Clearing with the RES pin
When the RES pin is driven low, clock oscillation is started. At the same time as clock
oscillation starts, clocks are supplied to the entire chip. Note that the RES pin must be held
low until clock oscillation stabilizes. When the RES pin goes high, the CPU begins reset
exception handling.
Clearing with the STBY pin
When the STBY pin is driven low, a transition is made to hardware standby mode.
: Recommended time setting
* Do not use this setting.
STS1 STS0
0
1
0
1
0
1
0
1
0
1
0
1
Standby Time
8192 states
16384 states
32768 states
65536 states
131072 states
262144 states
Reserved
16 states *
20
MHz
0.41
0.82
1.6
3.3
6.6
—
0.8
13.1 16.4
Section 21A Power-Down Modes [H8S/2623 Group]
0.51
1.0
2.0
4.1
16
MHz
—
1.0
8.2
Rev. 5.00 Jan 10, 2006 page 711 of 1042
12
MHz
0.68
1.3
2.7
5.5
21.8
—
1.3
10.9
10
MHz
0.8
1.6
3.3
6.6
26.2
—
1.6
13.1 16.4
8
MHz
1.0
2.0
4.1
32.8
—
2.0
8.2
6
MHz
1.3
2.7
5.5
21.8
43.6
—
1.7
10.9 16.4
REJ09B0275-0500
4
MHz
2.0
4.1
32.8
65.6
—
4.0
8.2
Unit
ms
µs
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