ST72652R4T1 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST72652R4T1

LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI

STMicroelectronics 

16-BIT TIMER (Cont’d)

Figure 45. Timer Block Diagram

fCPU

ST7 INTERNAL BUS

MCU-PERIPHERAL INTERFACE

8 high

EXEDG

8 low

8-bit

buffer

88

88

16

1/2

1/4

1/8

COUNTER

REGISTER

OUTPUT

COMPARE

REGISTER

1

OUTPUT

COMPARE

REGISTER

2

ALTERNATE

COUNTER

REGISTER

CC[1:0]

16

TIMER INTERNAL BUS

16 16

OVERFLOW

DETECT

CIRCUIT

OUTPUT COMPARE

CIRCUIT

6

ST7265x

0 OCF1 TOF 0 OCF2 0 0 0

(Status Register) SR

LATCH1

LATCH2

OCMP1

pin

OCMP2

pin

0 OCIE TOIE FOLV2 FOLV1OLVL2 0 OLVL1

(Control Register 1) CR1

OC1E OC2E 0

0 CC1 CC0 0

0

(Control Register 2) CR2

TIMER INTERRUPT

81/166

1

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