參數資料
型號: MB90P214BPF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數: 49/100頁
文件大小: 1681K
代理商: MB90P214BPF
MB90210 Series
52
9. Watchdog Timer and Timebase Timer
The watchdog timer consists of a 2-bit watchdog counter using carry signals from an 18-bit timebase timer as
the clock source, a control register, and a watchdog reset control section. The timebase timer consists of an 18-
bit timer and an interval interrupt control circuit.
(1) Register Configuration
0000A9H
Address:
Timebase timer control register
0000A8H
Address:
Watchdog timer control register
15
14
13
12
11
10
9
8
7654
3210
Bit
PONR
WT0
WT1
WTE
SRST
ERST
WRST
STBR
Reserved
TBC0
TBC1
TBR
TBOF
TBIE
WTC
TBTC
(W)
(1)
(—)
(R/W)
(0)
(R/W)
(0)
(R/W)
(0)
(R/W)
(0)
(R)
(0)
(R)
(X)
(R)
(X)
(R)
(X)
(R)
(X)
(R)
(X)
(W)
(X)
(W)
(X)
(W)
(X)
Read/write
Initial value
Read/write
Initial value
Watchdog timer control register (WTC)
Timebase timer control register (TBTC)
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