HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 582

• Manufacturer Part Number: HD64F3437TFI16V
• Description: MCU FLASH 60K 100-TQFP
• Manufacturer: Renesas Electronics America

Specifications of HD64F3437TFI16V

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22.3.5
1. The I/O ports retain their current states in software standby mode. If a port is in the high output
Note: The current responsible for this phenomenon also flows when the mode is changed to
550
state, the current dissipation caused by the output current is not reduced.
SLEEP mode. In order to reduce current dissipation, therefore, please use the preliminary
remedy for the SLEEP instruction when changing the mode to SLEEP mode.
Application Note
BSET
MOV. W
MOV. W
MOV. W
MOV. W
JSR
BSET
SLEEP
#7, @SYSCR:8
#H'0180, R0
R0, @H'FF00
#H'5470, R0
R0, @H'FF02
@H'FF00
#7, @SYSCR:8
•
•
•
•
•
•
•
•
•
•
•
•
; Sets the SSBY bit
; Writes the SLEEP code H'0180
; to the RAM
; Writes the RTS code H'5470
; to the RAM
; Subroutine branch
* Registers and RAM addresses are
; Sets the SSBY bit
; Executes the SLEEP instruction
arbitrary.
Replace the underlined part
(SLEEP instruction) with
the code shown below.