參數(shù)資料
型號: UPD753106GC
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機的小型通用紅外遙控器
文件頁數(shù): 24/90頁
文件大?。?/td> 547K
代理商: UPD753106GC
24
μ
PD753104, 753106, 753108
Figure 6-1. Clock Generator Block Diagram
Note
Instruction execution
Remarks 1.
f
X
= Main system clock frequency
f
XT
= Subsystem clock frequency
Φ
= CPU clock
PCC: Processor Clock Control Register
SCC: System Clock Control Register
One clock cycle (t
CY
) of the CPU clock is equal to one machine cycle of the instruction.
2.
3.
4.
5.
6.
V
DD
V
DD
XT1
X1
XT2
X2
f
XT
f
X
Subsystem
clock oscillator
Main system
clock oscillator
4
HALT
Note
STOP
Note
WM.3
SCC
SCC3
SCC0
PCC0
PCC1
PCC2
PCC3
PCC2,
PCC3
Clear
STOP F/F
Q
S
R
Oscillation
stop
HALT F/F
S
R
Wait release signal from BT
RESET signal
Standby release signal from
interrupt control circuit
· CPU
· INT0 noise
elimination circuit
· Clock output circuit
Φ
1/4
Divider
1/1 to 1/4096
Divider
1/21/41/16
· Basic interval timer (BT)
· Timer/event counter
· Serial interface
· Watch timer
· LCD controller/driver
· INT0 noise elimination circuit
· Clock output circuit
LCD controller/driver
Watch timer
PCC
Q
Selector
Selector
I
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