mc68hc908ap8a Freescale Semiconductor, Inc, mc68hc908ap8a Datasheet - Page 148

• Manufacturer Part Number: mc68hc908ap8a
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Timebase Module (TBM)
10.4 Timebase Register Description
The timebase has one register, the TBCR, which is used to enable the timebase interrupts and set the
rate.
TBIF — Timebase Interrupt Flag
148
(See
From OSC module
This read-only flag bit is set when the timebase counter has rolled over.
OSCCLK
Chapter 5 Oscillator
1 = Timebase interrupt pending
0 = Timebase interrupt not pending
÷ 2
Address:
Reset:
Read:
Write:
÷ 2
÷ 2
(OSC).)
÷ 2
÷ 2
$0051
TBIF
Bit 7
0
÷ 2
Figure 10-2. Timebase Control Register (TBCR)
÷ 2
÷ 8
= Unimplemented
Figure 10-1. Timebase Block Diagram
TBR2
÷ 32768
÷ 2
MC68HC908AP A-Family Data Sheet, Rev. 3
6
0
÷ 2
÷ 16
÷ 65536
÷ 2
TBR1
÷ 2
5
0
÷ 32
÷ 131072
÷ 2
÷ 2
TBR0
4
0
÷ 64
÷ 2
÷ 262144
TACK
÷ 2
R
3
0
0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
÷ 2
= Reserved
TBIE
÷ 2
2
0
SEL
÷ 2
TBON
1
0
÷ 2048
Freescale Semiconductor
R
Bit 0
R
0
TBIF
TBMINT
TBON
TBIE