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8051 Microcontrollers
8051 CISC Low Power, High Performance CMOS Microcontroller 8bit 16KB PDIP
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AT89C51RB2/RC2
4180D–8051–06/0
5
Figure 1
1.
PCA Timer/Counter
CIDL
CPS1
CPS0
ECF
It
CH
CL
16-bit up Counter
To PCA
Modules
F
CLK PERIPH
/6
F
CLK PERIPH
/2
T0 OVF
P1.2
Idle
CMOD
0xD9
WDTE
CF
CR
CCON
0xD8
CCF4
CCF3
CC
F
2
CCF
1
CCF
0
overflow
1
...
...
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34
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