MEMORY MAP
KS57C2308/P2308/C2316/P2316
4-32
WMOD
— Watch Timer Mode Register
F89H, F88H
Bit
7
6
5
4
3
2
1
0
Identifier
.7
"0"
.5
.4
.3
.2
.1
.0
RESET
Value
0
0
0
0
(note)
0
0
0
Read/Write
W
W
W
W
R
W
W
W
Bit Addressing
8
8
8
8
1
8
8
8
.7
Enable/Disable Buzzer Output Bit
0
Disable buzzer (BUZ) signal output
1
Enable buzzer (BUZ) signal output
.6
Bit 6
0
Always logic zero
.5–.4
Output Buzzer Frequency Selection Bits
0
0
2 kHz buzzer (BUZ) signal output
0
1
4 kHz buzzer (BUZ) signal output
1
0
8 kHz buzzer (BUZ) signal output
1
1
16 kHz buzzer (BUZ) signal output
.3
XT
IN
Input Level Control Bit
0
Input level to XT
IN
pin is low; 1-bit read-only addressable for test
1
Input level to XT
IN
pin is high; 1-bit read-only addressable for test
.2
Enable/Disable Watch Timer Bit
0
Disable watch timer and clear frequency dividing circuits
1
Enable watch timer
.1
Watch Timer Speed Control Bit
0
Normal speed; set IRQW to 0.5 seconds
1
High-speed operation; set IRQW to 3.91 ms
.0
Watch Timer Clock Selection Bit
0
Select the system clock (fxx/128) as the watch timer clock
1
Select a subsystem clock as the watch timer clock
NOTE
:
RESET sets WMOD.3 to the current input level of the subsystem clock, XT
IN
. If the input level is high,
WMOD.3 is set to logic one; if low, WMOD.3 is cleared to zero along with all the other bits in the WMOD
register.
Summary of Contents for C2316
Page 30: ...ADDRESS SPACES KS57C2308 P2308 C2316 P2316 2 22 NOTES ...
Page 168: ...SAM47 INSTRUCTION SET KS57C2308 P2308 C2316 P2316 5 94 NOTES ...
Page 170: ......
Page 206: ...POWER DOWN KS57C2308 P2308 C2316 P2316 8 8 NOTES ...
Page 210: ...RESET KS57C2308 P2308 C2316 P2316 9 4 NOTES ...
Page 222: ...I O PORTS KS57C2308 P2308 C2316 P2316 10 12 NOTES ...
Page 272: ...LCD CONTROLLER DRIVER KS57C2308 P2308 C2316 P2316 12 24 NOTES ...
Page 280: ...SERIAL I O INTERFACE KS57C2308 P2308 C2316 P2316 13 8 NOTES ...
Page 294: ...MECHANICAL DATA KS57C2308 P2308 C2316 P2316 15 2 NOTES ...
Page 310: ...KS57P2308 P2316 OTP KS57C2308 P2308 C2316 P2316 16 16 NOTES ...
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