HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 576

• 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

22.1.1
Four of the eight bits in the system control register (SYSCR) control the power-down state. These
are bit 7 (SSBY) and bits 6 to 4 (STS2 to STS0). See table 22.2.
Table 22.2 System Control Register
Name
System control register
Bit 7—Software Standby (SSBY): This bit enables or disables the transition to software standby
mode.
On recovery from the software standby mode by an external interrupt, SSBY remains set to 1. To
clear this bit, software must write a 0.
Bit 7: SSBY
0
1
544
Bit
Initial value
Read/Write
System Control Register (SYSCR)
SSBY
R/W
Description
The SLEEP instruction causes a transition to sleep mode.
The SLEEP instruction causes a transition to software standby mode.
7
0
STS2
R/W
6
0
Abbreviation
SYSCR
STS1
R/W
5
0
STS0
R/W
R/W
R/W
4
0
XRST
3
1
R
Initial Value
H'09
NMIEG
R/W
2
0
Address
H'FFC4
R/W
HIE
1
0
(Initial value)
RAME
R/W
0
1