upd17072 Renesas Electronics Corporation., upd17072 Datasheet - Page 26

• Manufacturer Part Number: upd17072
• Description: 4-bit Single-chip Microcontroller With Hardware For Digital Tuning System
• Manufacturer: Renesas Electronics Corporation.

4. DATA MEMORY (RAM)
4.1 General
general register, LCD segment register, port register, and peripheral control register.
display data, transfers data with ports, and controls the CPU.
26
Figure 4-1 outlines the data memory.
As shown in this figure, the data memory consists of a general-purpose data memory, system register, data buffer,
The data memory stores data, transfers data with peripheral hardware, sets conditions for the peripheral hardware,
0
1
2
3
4
5
6
7
0
Port register
1
Port register
Port
2
Data transfer
3
4
Figure 4-1. Outline of Data Memory
5
General register
LCD
6
Column address
Data transfer
Peripheral control register
Data memory
LCD segment register
7
BANK0
8
BANK1
9
Peripheral hardware
System register
A
B
C
Peripheral hardware
Data buffer
D
E
F
Condition
setting
Data transfer
PD17072,17073