HD64F2218TF24 Renesas Electronics America, HD64F2218TF24 Datasheet - Page 558
HD64F2218TF24
Manufacturer Part Number
HD64F2218TF24
Description
IC H8S MCU FLASH 128K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Specifications of HD64F2218TF24
Core Processor
H8S/2000
Core Size
16-Bit
Speed
24MHz
Connectivity
SCI, SmartCard, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
69
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
For Use With
3DK2218-SS - KIT DEV H8S/2218 WINDOWS SIDESHW
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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14.5.3
(1) Suspend and Resume Operations
Rev.7.00 Dec. 24, 2008 Page 502 of 698
REJ09B0074-0700
Figures 14.7 and 14.8 are flowcharts of the suspend and resume operations. If the USB bus
enters the suspend state from a non-suspend state, or if it enters a non-suspend state from the
suspend state due to a resume signal from up-stream, perform the operations shown below.
Notes: 1. The standby enable flag is a software flag for controlling transition to the
generated from up-stream
USB cable connected
A resume interrupt is
A bus idle of 3 ms or
Suspend and Resume Operations
USB function
A suspend/resume
A suspend/resume
interrupt occurs
interrupt occurs
Suspend state
more occurs
2. Interrupts should be masked from when the IRQ6 interrupt is received until the
Figure 14.7 Example Flowchart of Suspend and Resume Operations
standby state (one of the power-down modes). There is no such hardware flag.
SLEEP instruction is executed. Finally, unmask the interrupts using the LDC
instruction or the like and execute the SLEEP instruction immediately afterward.
Suspend/resume interrupt
processing
Firmware
Suspend interrupt
Resume interrupt
(see figure 14.8)
(see figure 14.8)
processing
processing
IRQ6
IRQ6
Main process
(Set SPRSiE in UIER3 to 1)
of the power-down modes
In one of the power-down
(Set IRQ6E in IER to 1)
(Set IRQ6E in IER to 1)
(Manipulate bit I using
(Clear standby enable
Enable IRQ6 interrupt
(Clear bit I using LDC
LDC instruction, etc.)
Unmask all interrupts
Enable SPRSi and
Run user program
Mask all interrupts
Initialize standby
Transition to one
(Execute SLEEP
Standby enable
Standby enable
instruction, etc.)
IRQ6 interrupts
enable flag
instruction)
flag = 0?
flag = 1?
flag to 0)
modes
Yes
Yes
*
*
1
1
*
*
*
*
No
1
No
2
2
2
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