HD6417727BP160CV Datasheet, PDF (82/1098 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/ SH7700 Series

Section 2 CPU
32 31
0
A0G
A0
A1G
A1
M0
M1
X0
X1
Y0
Y1
DSR
MS
ME
MOD
(d) DSP mode register configuration (DSP = 1)
Figure 2.2 Register Configuration in Each Processing Mode (2)
Register values after a reset are shown in table 2.1.
Table 2.1 Initial Register Values
Type
Registers
Initial Value*
General registers
R0 to R15
Undefined
Control registers
SR
MD bit = 1, RB bit = 1, BL bit = 1, I3 to
I0 = 1111 (H'F), reserved bits = 0,
others undefined
GBR, SSR, SPC
Undefined
VBR
H'00000000
RS, RE
Undefined
MOD
Undefined
System registers
MACH, MACL, PR
Undefined
PC
H'A0000000
DSP registers
A0, A0G, A1, A1G, M0, M1, X0, Undefined
X1, Y0, Y1
DSR
H'00000000
Note: * Initialized by a power-on or manual reset.
Rev.6.00 Mar. 27, 2009 Page 24 of 1036
REJ09B0254-0600