HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 61

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table 3-3 Initial Values of Registers
Register
General registers
Control registers
3.3 Data Formats
The H8/500 CPU can process 1-bit data, 4-bit BCD data, 8-bit (byte) data, 16-bit (word) data, and
32-bit (longword) data.
• Bit manipulation instructions operate on 1-bit data.
• Decimal arithmetic instructions operate on 4-bit BCD data.
• Almost all instructions operate on byte and word data.
• Multiply and divide instructions operate on longword data.
3.3.1 Data Formats in General Registers
Data of all the sizes above can be stored in general registers as shown in table 3-4.
15
15
15
T– – – – I2I1I0 – – – – NZVC
R7 – R0
PC
SR
8 7
7
7
7
7
7
CCR
CP
DP
BR
EP
TP
0
0
0
0
0
0
0
0
Minimum Mode
Undetermined
Loaded from vector table
H'070x
(x: undetermined)
Undetermined
Undetermined
Undetermined
Undetermined
Undetermined
41
Initial Value
Maximum Mode
Undetermined
Loaded from vector table
H'070x
(x: undetermined)
Loaded from vector table
Undetermined
Undetermined
Undetermined
Undetermined