GMS81508B HYNIX [Hynix Semiconductor], GMS81508B Datasheet - Page 38
GMS81508B
Manufacturer Part Number
GMS81508B
Description
HYUNDAI MICRO ELECTRONICS 8-BIT SINGLE-CHIP MICROCONTROLLERS
Manufacturer
HYNIX [Hynix Semiconductor]
Datasheet
1.GMS81508B.pdf
(100 pages)
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HYUNDAI MicroElectronics
Example 1:
Interrupt request flag is generated every 8.192ms at 4MHz.
Example 2:
Interrupt request flag is generated every 8.192ms at 8MHz.
DEC. 1999 Ver 1.04
Caution:
Both register are in same address,
when write, to be a CKCTLR,
when read, to be a BITR.
:
LDM
SET1
EI
:
:
LDM
SET1
EI
:
CKCTLR
BITR
CKCTLR,#1BH
BITE
CKCTLR,#1CH
BITE
-
7
7
8-BIT FREE-RUN BINARY COUNTER
-
6
6
WDTON
Figure 10-2 BITR: Basic Interval Timer Mode Register
5
5
ENPCK
4
4
BTCL
BTCL
BTCL
3
3
BTS2
2
2
BTS1
1
1
BTS0
Basic Interval Timer source clock select
000: f
001: f
010: f
011: f
100: f
101: f
110: f
111: f
Clear bit
0: Normal operation (free-run)
1: Clear 8-bit counter (BITR) to “0”. This bit becomes 0 automatically
Enable Peripheral clock
0: Operate as a 6-bit general timer
1: Enable Watchdog Timer operation
See the section “Watchdog Timer”.
If this bit is 0, all peripherals are disabled such as Timer, ADC, PWM, etc.
0
0
after one machine cycle, and starts counting.
XIN
XIN
XIN
XIN
XIN
XIN
XIN
XIN
ADDRESS: 0D3
INITIAL VALUE: --01 0111
16
32
64
128
256
512
1024
2048
ADDRESS: 0D3
INITIAL VALUE: Undefined
H
H
B
GMS81508B/16B/24B
35
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