AT89C5131-PLTIL ATMEL Corporation, AT89C5131-PLTIL Datasheet - Page 59

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AT89C5131-PLTIL

Manufacturer Part Number
AT89C5131-PLTIL
Description
8-bit Flash Microcontroller with Full Speed USB Device
Manufacturer
ATMEL Corporation
Datasheet
4136B–USB–09/03
Table 52. PCA Module Modes (CCAPMn Registers)
There are two additional registers associated with each of the PCA modules. They are
CCAPnH and CCAPnL and these are the registers that store the 16-bit count when a
capture occurs or a compare should occur. When a module is used in the PWM mode
these registers are used to control the duty cycle of the output (see Table 53 and
Table 54)
ECOMn
0
X
X
X
1
1
1
1
CAPPn
0
1
0
1
0
0
0
0
CAPNn
0
0
1
1
0
0
0
0
MATn
0
0
0
0
1
1
0
1
TOGn
X
0
0
0
0
0
1
0
PWM
m
0
0
0
0
0
0
1
0
ECCF
n
X
X
X
X
X
X
0
0
Module Function
16-bit capture by a positive-
edge trigger on CEXn
16-bit capture by a negative
trigger on CEXn
16-bit capture by a transition on
CEXn
16-bit Software Timer/Compare
mode.
16-bit High Speed Output
8-bit PWM
Watchdog Timer (module 4
only)
No Operation
AT89C5131
59

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