mb91101 Fujitsu Microelectronics, Inc., mb91101 Datasheet - Page 47

• Manufacturer Part Number: mb91101
• Description: 32-bit Risc Microcontroller Cmos
• Manufacturer: Fujitsu Microelectronics, Inc.

6. 16-bit Reload Timer
The 16-bit reload timer consists of a 16-bit down counter, a 16-bit reload timer, a prescaler for generating internal
count clock and control registers.
Internal clock can be selected from 3 types of internal clocks (divided by 2/8/32 of machine clock).
The DMA transfer can be started by the interruption.
The MB91101 and MB91101A consist of 3 channels of the 16-bit reload timer.
• Block diagram
3
16
16
8
2
–
2
Clock selector
1
Internal clock
–
2
16-bit down counter UF
3
–
2
2
5
16-bit reload register
EXCK
Prescaler
clear
GATE
CSL1
CSL0
IN CTL.
3
MOD2
MOD1
MOD0
Retrigger
OUT
CTL.
Reload
MB91101/MB91101A
2
RELD
OUTE
OUTL
CNTE
INTE
TRG
UF
PWM (ch.0, ch.1)
A/D (ch.2)
IRQ
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