參數(shù)資料
型號: MB90F823PFM
廠商: Electronic Theatre Controls, Inc.
英文描述: Scan Test Devices With Octal Bus Transceivers 24-CDIP -55 to 125
中文描述: 16位微控制器專有
文件頁數(shù): 45/98頁
文件大?。?/td> 1415K
代理商: MB90F823PFM
MB90820 Series
45
(2) Block diagram
Timer control status register (TMCSR0)
*
1
<TMCSR1>
Prescaler
_
_
CSL1 CSL0 MOD2 MOD1
_
OUTL
OUTE
RELD INTE
UF
CNTE TRG
MOD0
Internal data bus
Input
control
circuit
Clock
selector
Clock
judgement
circuit
16-bit reload register
16-bit timer register (down-counter)
UF
Machine
clock
φ
Interrupt request signal
#30
*
2
<#18>
Pin
Pin
Reload
control
circuit
Output signal
generation
circuit
Operation
control
circuit
TMR0
*
1
<TMR1>
TMRD0
*
1
<TMRD1>
Reload signal
Wait signal
to UART0,1
*
1
<to A/D converter>
P42/TO0
*
1
<P21/TO1>
EN
P41/TIN0
*
1
<P20/TIN1>
Select
signal
Rever-
sed
External clock
Function select
Output control circuit
Gate
input
Internal
clock
Clear
2
3
3
CLK
CLK
*1: Used for channel 0/1. <> indicates channel 1.
*2: Interrupt number
FSEL
1-bit
down-counter
Clock
selector
1
0
FSEL: Initial value "1"
Count clock generation circuit
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