KS57C2308/P2308/C2316/P2316
TIMERS and TIMER/COUNTERS
11-3
Table 11-1. Basic Timer Register Overview
Register
Name
Type
Description
Size
RAM
Address
Addressing
Mode
Reset
Value
BMOD
Control
Controls the clock frequency
(mode) of the basic timer; also, the
oscillation stabilization interval after
power-down mode release or
RESET
4-bit
F85H
4-bit write-only;
BMOD.3: 1-bit
write-only
“0”
BCNT
Counter
Counts clock pulses matching the
BMOD frequency setting
8-bit
F86H–F87H
8-bit read-
only
“U”
(note)
WDMOD
Control
Controls watchdog timer operation.
8-bit
F98H–F99H
8-bit write-only
A5H
WDTCF
Control
Clear the watchdog timer’s counter.
1-bit
F9AH.3
1-bit write-only
“0”
NOTE:
“U” means that the value is undetermined after a
RESET
.
"Clear" Signal
Bits
Instruction
Clock
Selector
IRQB
Interrupt
Request
Overflow
CPU Clock Start Signals
(By Interrupts)
1-Bit R/W
Clock Input
Clear
IRQB
4
Clear
BCNT
BMOD.3
BMOD.2
BMOD.1
BMOD.0
8
WDTCNT
Reset
Generation
8
WDTCF
DELAY
WAIT
RESET
Stop
Bits
Instruction
RESET
C
Clear
Overflow
1 pulse period = BT input clock 2 (1/2 duty)
3-Bit Counter
8
NOTE:
WAIT means stabilization time
after
or Stabilization
time after STOP mode release.
RESET
Bit5
(By )
BCNT
WDMOD
RESET
Figure 11-1. Basic Timer Circuit Diagram
Summary of Contents for KS57C2308
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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