ST72324_05 datasheet(78/163 Pages) STMICROELECTRONICS

Part #	ST72324

Description	5V RANGE 8-BIT MCU WITH 8 TO 32K FLASH, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE

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ST72324

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16-BIT TIMER (Cont’d)

Table 17. 16-Bit Timer Register Map and Reset Values

1 In Flash devices, these bits are not used in Timer A and must be kept cleared.

2 In Flash devices, these bits are forced by hardware to 0 in Timer A

3 In Flash devices, the TAOC2HR and TAOC2LR Registers are write only, reading them will return unde-

fined values

4 In Flash devices, the TAIC2HR and TAIC2LR registers are not present.

Address

(Hex.)

Register

Label

765

43210

Timer A: 32

Timer B: 42

CR1

Reset Value

ICIE

0

OCIE

0

TOIE

0

FOLV21

0

FOLV1

0

OLVL2

0

IEDG1

0

OLVL1

0

Timer A: 31

Timer B: 41

CR2

Reset Value

OC1E

0

OC2E1

0

OPM

0

PWM

0

CC1

0

CC0

0

IEDG21

0

EXEDG

0

Timer A: 33

Timer B: 43

CSR

Reset Value

ICF1

x

OCF1

x

TOF

x

ICF22

x

OCF22

x

TIMD

0

-

x

-

x

Timer A: 34

Timer B: 44

IC1HR

Reset Value

MSB

x

xx

xxxx

LSB

x

Timer A: 35

Timer B: 45

IC1LR

Reset Value

MSB

x

xx

xxxx

LSB

x

Timer A: 36

Timer B: 46

OC1HR

Reset Value

MSB

1

00

0000

LSB

0

Timer A: 37

Timer B: 47

OC1LR

Reset Value

MSB

0

00

0000

LSB

0

Timer A: 3E3

Timer B: 4E

OC2HR

Reset Value

MSB

1

00

0000

LSB

0

Timer A: 3F3

Timer B: 4F

OC2LR

Reset Value

MSB

0

00

0000

LSB

0

Timer A: 38

Timer B: 48

CHR

Reset Value

MSB

1

11

1111

LSB

1

Timer A: 39

Timer B: 49

CLR

Reset Value

MSB

1

11

1110

LSB

0

Timer A: 3A

Timer B: 4A

ACHR

Reset Value

MSB

1

11111

1

LSB

1

Timer A: 3B

Timer B: 4B

ACLR

Reset Value

MSB

1

11111

0

LSB

0

Timer A: 3C4

Timer B: 4C

IC2HR

Reset Value

MSB

x

xx

xxxx

LSB

x

Timer A: 3D4

Timer B: 4D

IC2LR

Reset Value

MSB

x

xx

xxxx

LSB

x

1

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