UPD780957 Datasheet, PDF (182/326 Pages) NEC – 8-Bit Single-Chip Microcontrollers

CHAPTER 11 SAMPLING OUTPUT TIMER/DETECTOR
Figure 11-1 shows the block diagram of the sampling output timer/detector.
Figure 11-1. Block Diagram of Sampling Output Timer/Detector
fXT1
fXT1/2²
fXT1/2⁴
fXT1/2⁶
SLSMD0
Input
controller
SMTD compare register
B0 (CRSB0)
SMTD timer counter
B0 (TMSB0)
SLSMD0,
SMOE0,
LVSS0,
Clear ^LVRS0
SLPE0
Output
controller
SMTD compare register
A0 (CRSA0)
Selector
fXT1
fXT1/2³
fXT1/2¹⁰
fXT1/2¹⁴
SMTD timer counter A0
(TMSA0)
Clear
Prin
Enable control
TCEP0
Internal bus
INTSB0
SMO0/P33
INTSA0
SMP4/P25
SMP3/P24
SMP2/P23
SMP1/P22
SMP0/P05/INTP5/RxD20
SMD04
SMD03
SMD02
SMD01
SMD00
SMTD sampling level setting register 0
(SMS0)
SMS04 SMS03 SMS02 SMS01 SMS00
Internal bus
INTSMP4
INTSMP3
INTSMP2
INTSMP1
INTSMP0
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User’s Manual U13655EJ2V1UD