AT94K ATMEL Corporation, AT94K Datasheet - Page 87

• Manufacturer Part Number: AT94K
• Description: 5K - 40K Gates of At40k FPGA with 8-bit Microcontroller, up to 36K Bytes of SRAM and On-chip JTAG ICE
• Manufacturer: ATMEL Corporation

Rev. 1138F–FPSLI–06/02
Figure 50. Timer/Counter0 Block Diagram
Figure 51. Timer/Counter2 Block Diagram
7
7
7
TIMER/COUNTER0
8-BIT COMPARATOR
REGISTER0 (OCR0)
OUTPUT COMPARE
REGISTER (TIMSK)
7
7
7
TIMER INT. MASK
8-BIT COMPARATOR
TIMER/COUNTER2
OUTPUT COMPARE
REGISTER2 (OCR2)
REGISTER (TIMSK)
TIMER INT. MASK
(TCNT0)
(TCNT2)
0
0
0
TCK2
0
0
0
CK
T/C0 OVER-
FLOW IRQ
T/C2 OVER-
FLOW IRQ
T/C CLEAR
T/C CLK SOURCE
UP/DOWN
REGISTER (TIFR)
TIMER INT. FLAG
T/C CLEAR
T/C CLK SOURCE
UP/DOWN
REGISTER (TIFR)
TIMER INT. FLAG
SYNCH UNIT
T/C0 COMPARE
MATCH IRQ
T/C2 COMPARE
MATCH IRQ
AT94K Series FPSLIC
8-BIT ASYNCH T/C2 DATA BUS
REGISTER (TCCR0)
8-BIT DATA BUS
REGISTER (TCCR2)
T/C0 CONTROL
CONTROL
T/C2 CONTROL
CONTROL
LOGIC
LOGIC
REGISTER (ASSR)
ASYNCH. STATUS
SPECIAL FUNCTIONS
IO REGISTER (SFIOR)
SPECIAL FUNCTIONS
IO REGISTER (SFIOR)
CK
TOSC1
CK
T0
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