ST7FL15F1MAE STMICROELECTRONICS [STMicroelectronics], ST7FL15F1MAE Datasheet - Page 72

• Manufacturer Part Number: ST7FL15F1MAE
• Description: 8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7L15, ST7L19
11.3 LITE TIMER 2 (LT2)
11.3.1 Introduction
The Lite Timer can be used for general-purpose
timing functions. It is based on two free-running 8-
bit upcounters and an 8-bit input capture register.
11.3.2 Main Features
■
Figure 48. Lite Timer 2 Block Diagram
72/138
1
LTIC
Realtime Clock
– One 8-bit upcounter 1ms or 2ms timebase pe-
riod (@ 8 MHz f
f
OSC
/32
LTARR
LTICR
LTCNTR
8-bit AUTORELOAD
INPUT CAPTURE
8-bit TIMEBASE
8-bit TIMEBASE
COUNTER 2
COUNTER 1
REGISTER
REGISTER
OSC
8-bit
)
8
8
LTCSR1
ICIE
f
LTIMER
LTCSR2
/2
ICF
0
TB
1
0
0
Timebase
1 or 2 ms
(@ 8 MHz
f
OSC
TB1IE
■
0
)
– One 8-bit upcounter with autoreload and pro-
– 2 Maskable timebase interrupts
– 8-bit input capture register (LTICR)
– Maskable interrupt with wake-up from Halt
Input Capture
grammable timebase period from 4µs to
1.024ms in 4µs increments (@ 8 MHz f
mode capability
TB1F
0
0
LTTB1 INTERRUPT REQUEST
LTIC INTERRUPT REQUEST
0
TB2IE
f
LTIMER
TB2F
To 12-bit AT TImer
LTTB2
Interrupt request
OSC
)