参数资料
型号: M37221MAH-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 3/112页
文件大小: 1207K
代理商: M37221MAH-XXXSP
100
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4H/M6H/M8H/MAH–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Address 00E016
Addresses 00DE16 and 00DF16
b7b6b5b4 b3b2b1b0
DA conversion register i (i=1, 2) (DAi) [Addresses 00DE16, 00DF16]
After reset
DA
conversion register i
0
to
5
6
0
DA conversion
selection bit
(DAi0 to DAi5)
b0
b1
b2
b3
b4
b5
1
0000
00
000
00
0
000
0
11
1
111
11
1
111
: 1/64Vcc
: 2/64Vcc
: 61/64Vcc
: 62/64Vcc
: 63/64Vcc
: 0/64Vcc
0
7
0
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
R —
R W
BName
Functions
Fix this bit to “0.”
Note : When use M37221M4H/M6H/M8H/MAH-XXXSP/FP,
there is not this register. Fix to “ 0016.”
b7 b6 b5 b4 b3 b2 b1 b0
Horizontal position register (HR) [Address 00E0 16]
B
Name
Functions
After reset RW
Horizontal Position Register
0
to
5
6, 7
Horizontal display start
positions (HR0 to HR5)
64 steps (0016 to 3F16)
0
Nothing is assigned. These bits are write disable bits.
When thses bits are read out, the values are “0.”
RW
R —
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