參數(shù)資料
型號: GMS82524T
英文描述: [General Purpose(1) : ADC/ LED/ SCI/ PWM]
中文描述: [通用(1):藝術(shù)發(fā)展局/發(fā)光/工商/脈寬調(diào)制]
文件頁數(shù): 41/110頁
文件大?。?/td> 1980K
代理商: GMS82524T
GMS81508B/16B/24B, GMS82512/16/24
38
MAY. 2001 Ver 2.0
Figure 10-2 BITR: Basic Interval Timer Mode Register
Example 1:
Interrupt request flag is generated every 8.192ms at 4MHz.
:
LDM
SET1
EI
:
CKCTLR,#1BH
BITE
Example 2:
Interrupt request flag is generated every 8.192ms at 8MHz.
:
LDM
SET1
EI
:
CKCTLR,#1CH
BITE
BTCL
7
-
6
-
5
4
3
2
1
0
WDTON
BTS1
Basic Interval Timer source clock select
000: f
XIN
÷
16
001: f
XIN
÷
32
010: f
XIN
÷
64
011: f
XIN
÷
128
100: f
XIN
÷
256
101: f
XIN
÷
512
110: f
XIN
÷
1024
111: f
XIN
÷
2048
Clear bit
0: Normal operation (free-run)
1: Clear 8-bit counter (BITR) to “0”. This bit becomes 0 automatically
after one machine cycle, and starts counting.
INITIAL VALUE: --01 0111
B
ADDRESS: 0D3
CKCTLR
INITIAL VALUE: Undefined
ADDRESS: 0D3
BITR
Both register are in same address,
when write, to be a CKCTLR,
when read, to be a BITR.
Caution:
8-BIT FREE-RUN BINARY COUNTER
ENPCK
BTS0
BTS2
BTCL
7
6
5
4
3
2
1
0
Enable Peripheral clock
If this bit is 0, all peripherals are disabled such as Timer, ADC, PWM, etc.
0: Operate as a 6-bit general timer
1: Enable Watchdog Timer operation
See the section “Watchdog Timer”.
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