Renesas RX Series User Manual

R01UH0823EJ0100 Rev.1.00 Page 98 of 1823
Jul 31, 2019
RX23W Group 3. Operating Modes
3.2.2 System Control Register 1 (SYSCR1)
Note: Set the PRCR.PRC1 bit to 1 (write enabled) before rewriting this register.
RAME Bit (RAM Enable)
The RAME bit enables or disables the RAM.
A 0 should not be written to this bit during access to the RAM. When accessing the RAM immediately after changing the
RAME bit from 0 (RAM disabled) to 1 (RAM enabled), make sure that the RAME bit is 1 before the access.
Even when the RAME bit is cleared to 0, the RAM retains its value. To retain the value in the RAM, keep the specified
RAM standby voltage (VRAM). For details, see
section 51, Electrical Characteristics.
Address(es): 0008 0008h
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
———————————————RAME
Value after reset:
0000000000000001
Bit Symbol Bit Name Description R/W
b0 RAME RAM Enable 0: The RAM is disabled.
1: The RAM is enabled.
R/W
b15 to b1 — Reserved These bits are read as 0. The write value should be 0. R/W

Renesas RX Series Specifications

General

Brand	Renesas
Model	RX Series
Category	Microcontrollers
Language	English