Operation, 1 timer mode cms[1:0]=“00 – FUJITSU MB91460 SERIES FR60 User Manual
Page 864

848
Chapter 41 Up/Down Counter
5.Operation
5. Operation
This section describes each operation mode for Up/Down Counter.
5.1 Timer Mode CMS[1:0]=“00”
(1)
An appropriate bit (Reload enable RLDE) is set.
(2)
Up/Down Counter is cleared (“0” is written to CGSC).
(3)
The software activates Up/Down Counter.
(4)
An underflow occurs.
(5)
The reload value is reloaded to Up/Down Counter.
(6)
The software clears the underflow flag.
(7)
The software enables interrupts.
(8)
Up/Down Counter counts down.
(9)
An underflow occurs. (An interrupt request has been made.)
(10)
The software clears the underflow flag.
(11)
Repeat (8) to (10).
CLKS, RLDE
CGSC
CSTR
(1)
(2)
(8)
(7)
(6)
(5)
(4)
(3)
(3)
(9)
(9)
(10)
F
CLKP
divided by 2
F
CLKP
divided by 8
Reload value
Countdown
Interrupt
request
Reload value
Reload value
Interrupt request enabled
Underflow
(Interrupt request)
Cleared by
software
Cleared by
software
Cleared by
software
- XG Series P3NK-4452-01ENZD (614 pages)
- FPCAC14C (1 page)
- MCJ3230SS (161 pages)
- MBA3073NC (138 pages)
- T5140 (76 pages)
- T5140 (102 pages)
- MAM3367MC/MP (152 pages)
- MPC3045AH (185 pages)
- MB2142-02 (23 pages)
- MB15F86UL (6 pages)
- MHS2030AT (40 pages)
- MHW2100BS (296 pages)
- MHK2060AT (227 pages)
- Disk Drives MHK2060AT (227 pages)
- MCM3064SS (170 pages)
- Mainboard D1561 (45 pages)
- MHC2040AT (219 pages)
- D1961 (45 pages)
- DISK DRIVES MHM2100AT (231 pages)
- MHR2010AT (250 pages)
- MHZ2120BJ (320 pages)
- MCE3064AP (175 pages)
- LQFP-64P (16 pages)
- Solaris PCI GigabitEthernet 3.0 (115 pages)
- MAY2036RC (94 pages)
- MAB3091 (142 pages)
- MPE3XXXAT (191 pages)
- MHV2040AH (40 pages)
- MHW2040AC (278 pages)
- ETERNUSmgr P2X0-0202-01EN (64 pages)
- VSS Hardware Provider 2.1 (134 pages)
- MAG3182FC (61 pages)
- MAU3147NC/NP (130 pages)
- MAX3147RC (94 pages)
- MHV2160BT (296 pages)
- MHV2040AT (280 pages)
- MAW3300NC/NP (130 pages)
- DeskPower E623 (50 pages)
- MAG3182LC (133 pages)
- OPTICAL DISK DRIVES MDG3064UB (42 pages)
- MHF2021AT (225 pages)
- MHR2040AT (40 pages)
- Single Drive FTM7926FB (1 page)
- PG-FCS103 (98 pages)
- MAS3735FC (114 pages)