HD6433935 Hitachi, HD6433935 Datasheet - Page 233

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

5. Clock stop register 1 (CKSTPR1)
Bit
Initial value
Read/Write
CKSTPR1 is an 8-bit read/write register that performs module standby mode control for peripheral
modules. Only the bit relating to timer G is described here. For details of the other bits, see the
sections on the relevant modules.
Bit 3: Timer G module standby mode control (TGCKSTP)
Bit 3 controls setting and clearing of module standby mode for timer G.
TGCKSTP
0
1
9.5.3
The noise canceler consists of a digital low-pass filter that eliminates high-frequency component
noise from the pulses input from the input capture input pin. The noise canceler is set by NCS* in
PMR3.
Figure 9-9 shows a block diagram of the noise canceler.
Input capture
input signal
Sampling clock
Noise Canceler
Sampling
D
clock
Description
Timer G is set to module standby mode
Timer G module standby mode is cleared
Latch
S1CKSTP S31CKSTP S32CKSTP ADCKSTP TGCKSTP TFCKSTP TCCKSTP TACKSTP
C
R/W
Q
t: Set by CKS1 and CKS0
7
1
t
D
Figure 9-9 Noise Canceler Block Diagram
Latch
R/W
C
6
1
Q
R/W
D
5
1
Latch
C
Q
R/W
4
1
D
Latch
C
Q
R/W
3
1
D
Latch
C
Q
R/W
2
1
detector
Match
R/W
1
1
(initial value)
Noise
canceler
output
R/W
0
1
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