參數(shù)資料
型號(hào)： M34502M4-XXXFP
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, MICROCONTROLLER, PDSO24
封裝： 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁(yè)數(shù)： 74/96頁(yè)
文件大小： 958K
代理商： M34502M4-XXXFP
76
Ver 1.4
MITSUBISHI MICROCOMPUTERS
7640 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 1.94. Frequency Synthesizer Multiply Control Register (FSM1)
Fig. 1.95. Frequency Synthesizer Multiply Control Register (FSM2)
Fig. 1.96. Frequency Synthesizer divided Ratio Register (FSD)
Address: 006D
16
Access: R/W
Reset: FF
16
Bit 0-7
Frequency synthesizer multiply value, n, that is used to multiply the prescaler
output frequency, f
PIN, up to 48.00 MHz
Bit 7
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MSB
7
LSB
0
Bit 6
f
VCO = 2 x fPIN x (n+1)
f
VCO
n
10
f
PIN
n
16
FSM1
48.00 MHz
320.00 KHz
0
4.00 MHz
6.00 MHz
12.00 MHz
24.00 MHz
74
11
5
3
1
4A
05
01
03
0B
2.00 MHz
00
Address: 006E
16
Access: R/W
Reset: FF
16
Bit 0-7
Frequency synthesizer prescaler divide value, n. The input clock, f
IN, is
divided by this value to produce the intermediate frequency, f
PIN, which is
then multiplied up to 48.00 MHz. A value of 255 (FF
16) turns the prescaler
off (no division of f
IN).
Bit 7
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MSB
7
LSB
0
Bit 6
f
PIN = fIN / (2 x (n+1))
f
PIN
n
10
f
IN
n
16
FSM2
24.00 MHz
1.00 MHz
2.00 MHz
3.00 MHz
6.00 MHz
12.00 MHz
24.00 MHz
0
24.00 MHz
255
11
5
3
1
FF
05
01
03
0B
24.00 MHz
00
Address: 006F
16
Access: R/W
Reset: FF
16
Bit 0-7
Frequency synthesizer divide value, m, by which the 48.00 MHz VCO
frequency is divided to produce the F
SYN system clock frequency.
Bit 7
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MSB
7
LSB
0
Bit 6
f
SYN = fVCO / (2 x (m+1))
f
SYN
m
10
f
VCO
m
16
FSD
24.00 MHz
8.00 MHz
4.00 KHz
187.50 KHz
93.75 KHz
0.00 KHz
48.00 MHz
255
48.00 MHz
0
2
5
127
128
00
05
80
7F
02
48.00 MHz
FF
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