CCU3000 Datasheet, PDF (52/77 Pages) Micronas – Central Control Unit

CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
0236H
Bit
7
6
5
4
3
2
1
0
Timer 3 Control Register 1
Reset Read
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
0237H
Bit
7
6
5
4
3
Timer 3 Control Register 2
Reset Read
x
x
x
x
x
x
x
x
x
x
2
x
x
1
x
x
0
x
x
0238H
Bit
7
6
5
Timer 3 Control Register 3
Reset Read
x
x
x
x
x
x
4
x
x
3
x
x
2
x
x
1
x
x
0
x
x
52
Write
‘1’ = second serial input level enabled
clock select, bit 1: ‘00’ = pin, ‘01’ = fosc.,
clock select, bit 0: ‘10’ = PHI2, ‘11’ = no clock
counter stop: ‘0’ = disabled , ‘1’ = carry out accu
start condition, bit 1: ‘00’= none (always active),
start condition, bit 0: ‘01’ = edge, ‘10’ = pin, ‘11’ =\pin
‘1’ = half load enabled
active edge selection: ‘0’ = rising, ‘1’ = falling
Write
pin output mode, bit 1: 00 = disabled, 01 = serial out
pin output mode, bit 0: 10 = PWM, 11 = carry accu D
read latch, bit 2: 000 = disabled, 001 = carry accu C
read latch, bit 1: ‘010’ = carry accu D, ‘011’ pin
read latch, bit 0: ‘100’ = \pin, ‘101’ = prescaler out-
put, ‘110’ = presc. input, ‘111’ = undefined
accu clock, bit 1: ‘00’ = presc. input,
‘01’ = presc. output
accu clock, bit 0: ‘10’ = pin, ‘11’ = \pin
1 = use acc. C with acc. D as long one (16-bit acc.)
Write
interrupt event, bit 2: ‘000’ = none, ‘001’ = pin
interrupt event, bit 1: ‘010’ = \pin, 011 = carry accu C
interrupt event, bit 0: ‘100’ = carry accu D,
‘101’, ‘110’, ‘111’ = undefined
load event, bit 1: ‘00’ = none, ‘01’ = carry accu C,
load event, bit 0: 10 = carry accu D, 11 = regist. load
accu C input: ‘0’ = bus register, ‘1’ = –1
accu D input: ‘0’ = bus register, ‘1’ = –1
serial mode enable: ‘0’ = disable, ‘1’ = enable
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