參數(shù)資料
型號： mPD789326GB-xxx-8ET
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù)： 36/96頁
文件大?。?/td> 482K
代理商： MPD789326GB-XXX-8ET
Preliminary Product Information U14673EJ1V0PM00
36
μ
PD789322,789324,789326,789327
(4) 8-bit timer counter 30, 40 (TM30, TM40)
This is an 8-bit register for counting the count pulses.
TM30 and TM40 can be read with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets these registers to 00H.
The conditions under which TM30 and TM40 are cleared to 00H are listed below.
(a) Discrete mode
(i)
TM30
Upon a reset
When TCE30 (bit 7 of 8-bit timer mode control register 30 (TMC30)) is cleared to 0
Upon a match between TM30 and CR30
If the TM30 count value overflows
(ii) TM40
Upon a reset
When TCE40 (bit 7 of 8-bit timer mode control register 40 (TMC40)) is cleared to 0
Upon a match between TM40 and CR40
If the TM40 count value overflows
(b) Cascade connection mode (TM30 and TM40 cleared to 00H simultaneously)
Upon a reset
When the TCE40 flag is cleared to 0
Upon a simultaneous match between TM30 and CR30, and TM40 and CR40
If the TM30 and TM40 count values overflow simultaneously
(c) Carrier generator/PWM output mode (TM40 only)
Upon a reset
When the TCE40 flag is cleared to 0
Upon a match between TM40 and CR40
Upon a match between TM40 and CRH40
If the TM40 count value overflows
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