MC68HC908GT8CFB Freescale Semiconductor, MC68HC908GT8CFB Datasheet - Page 218

• Manufacturer Part Number: MC68HC908GT8CFB
• Description: IC MCU 8K FLASH 8MHZ 44-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GT8CFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 34
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Timebase Module (TBM)
17.4 Timebase Register Description
The timebase has one register, the timebase control register (TBCR), which is used to enable the
timebase interrupts and set the rate.
TBIF — Timebase Interrupt Flag
218
This read-only flag bit is set when the timebase counter has rolled over.
TBMCLK
1 = Timebase interrupt pending
0 = Timebase interrupt not pending
÷ 2
Address:
Reset:
Read:
Write:
÷ 2
÷ 2
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
÷ 2
÷ 2
$001C
TBIF
Bit 7
0
÷ 2
Figure 17-2. Timebase Control Register (TBCR)
÷ 2
÷ 8
= Unimplemented
Figure 17-1. Timebase Block Diagram
TBR2
÷ 2048
÷ 2
6
0
÷ 2
÷ 16
÷ 2
÷ 2
TBR1
5
0
÷ 8192
÷ 32
÷ 2
÷ 2
TBR0
÷ 2
4
0
÷ 64
÷ 2
÷ 32768
TACK
R
3
0
0
÷ 128
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
= Reserved
TBIE
2
0
SEL
TBON
1
0
TBON
Freescale Semiconductor
R
Bit 0
R
0
TBIF
TBMINT
TBIE