R8C33A Datasheet, PDF (392/617 Pages) Renesas Technology Corp – MCU M16C FAMILY / R8C/Tiny SERIES

Under development ^{Preliminary specification}
Specifications in this manual are tentative and subject to change.
R8C/33A Group
24. Synchronous Serial Communication Unit (SSU)
24.2 Registers
24.2.1 Module Standby Control Register (MSTCR)
Address 0008h
Bit b7
b6
b5
b4
b3
b2
b1
b0
Symbol —
— MSTTRC MSTTRD MSTIIC —
—
—
After Reset 0
0
0
0
0
0
0
0
Bit Symbol
Bit Name
Function
R/W
b0
— Nothing is assigned. If necessary, set to 0. When read, the content is 0.
—
b1
—
b2
—
b3 MSTIIC _{SSU, I}²_{C bus standby bit}
0: Active
R/W
1: Standby ⁽¹⁾
b4 MSTTRD Peripheral function power consumption Set to 1.
R/W
reduce bit
The power consumption of the peripheral
functions can be reduced.
b5 MSTTRC Timer RC standby bit
0: Active
R/W
1: Standby ⁽²⁾
b6
— Nothing is assigned. If necessary, set to 0. When read, the content is 0.
—
b7
—
Notes:
1. When the MSTIIC bit is set to 1 (standby), any access to the SSU or the I²C bus associated registers (addresses
0193h to 019Dh) is disabled.
2. When the MSTTRC bit is set to 1 (standby), any access to the timer RC associated registers (addresses 0120h
to 0133h) is disabled.
REJ09B0455-0010 Rev.0.10 Feb 29, 2008
Page 364 of 586