Rainbow Electronics APC5860 - Manual (Page 7)

APLUS INTEGRATED CIRCUITS INC.
APC5860
www.aplusinc.com.tw TEL : 886-2-2782-9266 7
BIT - 1
=1 Æ E
NTRY SLEEP MODE
. I
N SLEEP MODE
,
THE BOTH OF MAIN
SYSTEM CLOCK AND
32768H
Z WILL BESTOPPED
,
SO ALL
FUNCTION ARE STOPPED AND ONLY EXTERNAL INTERRUPT
CAN WAKE UP THIS CHIP
BIT – 3 ~ 2
00 : SYSTEM CLOCK = F XOSC /2 X 256(4.19MH Z )( DEFAULT ).
01 : SYSTEM CLOCK = F XOSC /2 X 512(8.38MH Z )
10 :
SYSTEM CLOCK
= F
XOSC
/2 X 768(12.58MH
Z
)
BIT- 7 ~ 4
0
XXX
: F
IX
-
TIMER DISABLE
.
1000 : F
IX
-
TIMER
= 64H
Z
.
1001 : F IX - TIMER = 32H Z .
1010 : F IX - TIMER = 16H Z .
1011 : F IX - TIMER = 8H Z .
1100 : F
IX
-
TIMER
= 4H
Z
.
1101 : F
IX
-
TIMER
= 2H
Z
.
1110 : F
IX
-
TIMER
= 1H
Z
.
1111 : F
IX
-
TIMER
= 0.5H
Z
z 3FE3 : P
ORT
_
A
[7..0]
INTERRUPT ENABLE REGISTER
. W
RITE ONLY
.
A
N
‘0’
IN THIS REGISTER WILL SET THE INTERRUPT FUNCTION OF THE CORRESPONDING PIN
OF
PORT _ A TO BE ENABLED . T HE DEFAULT VALUE FOR EACH BIT IS ‘1’.
z 3FE4 : P ORT _ A [7..0] DATA REGISTER . R EAD AND WRITE .
z 3FE5 : P
ORT
_
A
[7..0]
DIRECTION REGISTER
. W
RITE ONLY
.
A
N
‘1’
IN THIS REGISTER WILL SET THE CORRESPONDING PIN OF PORT
_
A TO BE OUTPUT
.
T
HE DEFAULT VALUE FOR EACH BIT IS ZERO
.
z 3FE6: P
ORT
_
B
[7..0]
DATA REGISTER
. W
RITE ONLY
.
z 3FE7 : C LEAR WATCHDOG TIMER . W RITE ONLY .
T
HE WATCHDOG TIMER RESET WILL HAPPEN IF THE PROGRAMMER DO NOT CLEAR THE
WATCHDOG TIMER BEFORE WATCHDOG TIMER TIME
-
OUT
.
z 3FE8 V
OICE CHANNEL
0
LOW BYTE
. W
RITE ONLY
.
B IT 2-0 : R ESERVED .
B IT 3: NO USE ( MUST 0)
B
IT
7-4: = V
OICE CHANNEL
0
LOW NIBBLE BYTE
.