參數(shù)資料
型號: S1C621A0F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 89/161頁
文件大?。?/td> 1037K
代理商: S1C621A0F0A0100
I-8
EPSON
S1C621A0 TECHNICAL HARDWARE
CHAPTER 3: PERIPHERAL CIRCUITS (Memory Map)
CHAPTER 3
PERIPHERAL CIRCUITS
All peripheral circuits (timer, I/O, etc.) of the S1C621A0 are
configured in memory-mapped I/O form, and can be con-
trolled by using memory operation instructions. This sec-
tion describes the operation of each peripheral circuit in
detail.
3.1 Memory Map
The data memory (RAM) of the S1C621A0 has an address
space of 256 words, of which the high-order 48 words are
allocated to the peripheral circuits.
Figure 3.1.1 shows the S1C621A0 memory map. Tables
3.1.1(a) to 3.1.1(d) gives details of the I/O memory map
(addresses from 0F0H to 0FFH).
Fig. 3.1.1
Memory Map
Address
Page
High
Low
01
234
567
89
A
B
C
D
E
F
M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
RAM (208 words x 4 bits)
R/W
Display memory (32 words x 4 bits)
W
I/O memory [See Tables 3.1.1(a)–3.1.1(d)]
Note Memory is not mounted in unused area within the memory map
and in memory area not indicated in this chapter. For this reason,
normal operation cannot be assured for programs that have been
prepared with access to these areas.
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