gc80c521a CORERIVER Semiconductor, gc80c521a Datasheet - Page 40

• Manufacturer Part Number: gc80c521a
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

6.9. Timer/Counter : Timer 2 Mode Description
Support for Baud Rate Detection (T2MOD_BDEN is set)
UART RXD
UART RXD
Counter runs when TR2 is set and the RXD input of UART is low.
Counter runs with OSC/2 like Baud Rate Generation.
EXF2 is set at falling edge of RXD if EXEN2 is set.
[Baud Rate Detector Mode (BDEN = 1)]
BDEN
OSC
T2 PIN
Transition
Detection
1/2
TR2
CONTROL
EXEN2
C/T2=0
C/T2=1
CONTROL
EXF2
TL2
TH2
Interrupt
Timer 2
MiDAS1.0B Family
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