MC68HC908GR4CFA Freescale Semiconductor, MC68HC908GR4CFA Datasheet - Page 352

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MC68HC908GR4CFA

Manufacturer Part Number
MC68HC908GR4CFA
Description
IC MCU 4K FLASH 8.2MHZ 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC68HC908GR4CFA

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
21
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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Timer Interface Module (TIM)
22.10.2 TIM Counter Registers
Technical Data
352
NOTE:
Address: T1CNTH, $0021 and T2CNTH, $002C
Address: T1CNTL, $0022 and T2CNTL, $002D
The two read-only TIM counter registers contain the high and low bytes
of the value in the TIM counter. Reading the high byte (TCNTH) latches
the contents of the low byte (TCNTL) into a buffer. Subsequent reads of
TCNTH do not affect the latched TCNTL value until TCNTL is read.
Reset clears the TIM counter registers. Setting the TIM reset bit (TRST)
also clears the TIM counter registers.
If you read TCNTH during a break interrupt, be sure to unlatch TCNTL
by reading TCNTL before exiting the break interrupt. Otherwise, TCNTL
retains the value latched during the break.
Reset:
Reset:
Read:
Read:
Write:
Write:
Freescale Semiconductor, Inc.
For More Information On This Product,
Bit 15
Figure 22-5. TIM Counter Registers High (TCNTH)
Figure 22-6. TIM Counter Registers Low (TCNTL)
Bit 7
Bit 7
Bit 7
0
0
Timer Interface Module (TIM)
Go to: www.freescale.com
= Unimplemented
= Unimplemented
14
6
0
6
6
0
13
5
0
5
5
0
12
4
0
4
4
0
11
3
0
3
3
0
MC68HC908GR8 — Rev 4.0
10
2
0
2
2
0
1
9
0
1
1
0
MOTOROLA
Bit 0
Bit 8
Bit 0
Bit 0
0
0

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