sak-xc888clm-8ffa Infineon Technologies Corporation, sak-xc888clm-8ffa Datasheet - Page 88

• Manufacturer Part Number: sak-xc888clm-8ffa
• Description: High Performance 8-bit Microcontroller With On-chip Flash Memory And Can
• Manufacturer: Infineon Technologies Corporation

3.16
Timer 2 and Timer 21 are 16-bit general purpose timers (THL2) that are fully compatible
and have two modes of operation, a 16-bit auto-reload mode and a 16-bit one channel
capture mode. As a timer, the timers count with an input clock of PCLK/12 (if prescaler
is disabled). As a counter, they count 1-to-0 transitions on pin T2. In the counter mode,
the maximum resolution for the count is PCLK/24 (if prescaler is disabled).
Table 32
Mode
Auto-reload Up/Down Count Disabled
Channel
capture
Data Sheet
Prelimary
Timer 2 and Timer 21
Timer 2 Modes
Description
• Count up only
• Start counting from 16-bit reload value, overflow at FFFF
• Reload event configurable for trigger by overflow condition only, or by
• Programmble reload value in register RC2
• Interrupt is generated with reload event
Up/Down Count Enabled
• Count up or down, direction determined by level at input pin T2EX
• No interrupt is generated
• Count up
• Count down
• Count up only
• Start counting from 0000
• Reload event triggered by overflow condition
• Reload value fixed at 0000
• Capture event triggered by falling/rising edge at pin T2EX
• Captured timer value stored in register RC2
• Interrupt is generated with reload or capture event
negative/positive edge at input pin T2EX as well
– Start counting from 16-bit reload value, overflow at FFFF
– Reload event triggered by overflow condition
– Programmble reload value in register RC2
– Start counting from FFFF
– Reload event triggered by underflow condition
– Reload value fixed at FFFF
RC2
H
84
, overflow at FFFF
H
H
, underflow at value defined in register
H
H
Functional Description
XC886/888CLM
H
V0.1, 2006-02
H