UPD78323 NEC, UPD78323 Datasheet - Page 19

• Manufacturer Part Number: UPD78323
• Description: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

2.2
bit registers, control registers consisting of one 8-bit register and three 16-bit registers, and special function registers such
as peripheral hardware I/O mode registers.
Remark The CCWs of the control registers are mapped in the special function register (SFR) area.
The processor registers consist mainly of three groups. They are general registers consisting of 8 banks of sixteen 8-
PROCESSOR REGISTERS
Control Registers
General Registers
Special Function Registers
15
7
7
SFR 255
SFR 253
SFR 251
SFR 249
SFR 1
R 1
R 3
R 5
R 7
R 9
R 11
R 13
R 15
Figure 2-2. Register Configuration
P C
PSW
S P
0 7
7
0
7
CCW
SFR 254
SFR 252
SFR 250
SFR 248
SFR 0
R 0
R 2
R 4
R 6
R 8
R 10
R 12
R 14
0
0
0
PD78323, 78324
0
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