参数资料
型号: M37225ECSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 25/127页
文件大小: 1897K
代理商: M37225ECSP
119
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37225M6/M8/MA/MC–XXXSP
M37225ECSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Addresses 00F916 and 00FA16
Address 00FB16
b2b1b0Display mode
00 Display OFF
00
1
OSD mode (no border)
01
0
BUTTON mode (no border)
10
1
OSD mode (border)
11
0
BUTTON mode (border)
b7b6b5b4b3b2b1b0
Block i control register (BiC) (i = 1, 2) [Addresses 00F916, 00FA16]
BName
Functions
After reset R W
Block i Control Register
0
to
2
Display mode
selection bits
(BiC0 to BiC2)
Indeterminate
3, 4 Dot size selection bit
(BiC3, BiC4)
RW
Notes 1 : TOSC = OSD oscillation cycle
2 : H = HSYNC
b4 b3
Dot size
00
1TOSC 1H
0
1
Do not set
10
2TOSC 2H
11
3TOSC 3H
5
to
7
0
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
R —
Indeterminate
CPU Mode Register
b7 b6 b5 b4 b3 b2 b1 b0
B
After reset R W
0, 1
2
3 to 5
0
1
Name
Functions
Processor mode bits
(CM0, CM1)
0 0: Single-chip mode
0 1:
1 0:
Not available
1 1:
Fix these bits to “1.”
1
Stack page selection
bit (CM2) (See note)
1
b1 b0
0: 0 page
1: 1 page
1
0
6, 7
0
CPU mode register (CM) [Address 00FB16]
R W
Note: This bit is set to “1” after the reset release.
1
0
Fix these bits to “0.”
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