HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 1026
HD64F2638F20J
Manufacturer Part Number
HD64F2638F20J
Description
IC H8S MCU FLASH 256K 128-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2638F20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
Motor Control PWM, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
HD64F2638F20J
Manufacturer:
PENESAS
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252
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Section 23B Power-Down Modes [HD64F2636UF, HD6432636UF, HD64F2638UF, HD6432638UF,
HD64F2638WF, HD6432638WF, HD64F2639UF, HD6432639UF, HD64F2639WF, HD6432639WF,
HD64F2630UF, HD6432630UF, HD64F2630WF, HD6432630WF, HD6432635F, HD64F2635F, HD6432634F]
23B.12 φ Clock Output Disabling Function
Output of the φ clock can be controlled by means of the PSTOP bit in SCKCR, and DDR for the
corresponding port. When the PSTOP bit is set to 1, the φ clock stops at the end of the bus cycle,
and φ output goes high. φ clock output is enabled when the PSTOP bit is cleared to 0. When DDR
for the corresponding port is cleared to 0, φ clock output is disabled and input port mode is set.
Table 23B-8 shows the state of the φ pin in each processing state.
Using the on-chip PLL circuit to lower the oscillator frequency or prohibiting external φ clock
output also have the effect of reducing unwanted electromagnetic interference*. Therefore,
consideration should be given to these options when deciding on system board settings.
Note: * Electromagnetic interference: EMI (Electro Magnetic Interference)
Table 23B-8 φ Pin State in Each Processing State
DDR
PSTOP
Hardware standby mode
Software standby mode, watch
mode * , and direct transition
Sleep mode and subsleep mode *
High-speed mode, medium-speed
mode, and subactive mode *
Subactive mode
Note: * Subclock functions (subactive mode, subsleep mode, and watch mode) are available in the
Page 976 of 1458
U-mask and W-mask versions, and H8S/2635 Group only.
These functions cannot be used with the other versions.
0
—
High impedance
High impedance
High impedance
High impedance
High impedance
1
0
High impedance
Fixed high
φ output
φ output
φ
SUB
output
H8S/2639, H8S/2638, H8S/2636,
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
1
1
High impedance
Fixed high
Fixed high
Fixed high
Fixed high
May 28, 2010
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