SH7764 Datasheet, PDF (1469/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 28 Power-Down Mode
28.2 Input/Output Pins
Table 28.2 lists the pin configuration related to power-down modes.
Table 28.2 Pin Configuration
Pin Name
STATUS1
STATUS0
Function
Processing state 1
Processing state 0
I/O
Output
Output
Description
These pins indicate the operating state of this
LSI.
STATUS[1:0] Operating state
H, H:
Power-on reset
H, L:
Sleep mode
L, H:
Refresh standby mode
L, L:
Normal operation
28.3 Register Descriptions
Table 28.3 shows the register configuration for power-down modes. Table 28.4 shows the register
states in each operating mode.
Table 28.3 Register Configuration
Register Name
Standby control register
Module stop register 0
Module stop register 1
Abbreviation R/W
STBCR
R/W
MSTPCR0 R/W
MSTPCR1 R/W
Area P4
Address
Area 7
Address
H'FFC8 0020 H'1FC8 0020
H'FFC8 0030 H'1FC8 0030
H'FFC8 0038 H'1FC8 0038
Access
Size
32
32
32
Table 28.4 Register States in Each Operating Mode
Register Name
Standby control register
Module stop register 0
Module stop register 1
Abbreviation
STBCR
MSTPCR0
MSTPCR1
Power-On
Reset
H'0000 0000
H'0000 0000
H'0000 0000
Sleep
Retained
Retained
Retained
Standby
Retained
Retained
Retained
Rev. 1.00 Nov. 22, 2007 Page 1413 of 1692
REJ09B0360-0100