Datasheet

78K0/Ix2 CHAPTER 9 8-BIT TIMER H1
R01UH0010EJ0500 Rev.5.00 334
Feb 28, 2012
Figure 9-1. Block Diagram of 8-Bit Timer H1
Match
Internal bus
TMHE1
CKS12
CKS11
CKS10
TMMD11 TMMD10
TOLEV1
TOEN1
8-bit timer H
compare
register 11
(CMP11)
Decoder
TOH1/ P30/ TI51/ INTP1
8-bit timer H carrier control register 1 (TMCYC1)
INTTMH1
INTTM51
Selector
Interrupt
generator
Output
controller
Level
inversion
PM30
Output latch
(P30)
1 0
F/F
R
PWM mode signal
Carrier generator mode signal
Timer H enable signal
3
2
8-bit timer H
compare
register 01
(CMP01)
8-bit timer
counter H1
Clear
RMC1
NRZB1
NRZ1
Reload/
interrupt control
8-bit timer H mode register 1 (TMHMD1)
Selector
TOH1 output
f
PRS
f
PRS
/2
2
f
PRS
/2
4
f
PRS
/2
6
f
PRS
/2
12
f
IL
f
IL
/2
6
f
IL
/2
15
TM51
Remark 78K0/IY2: <TOH1>/P34/TOX11/<TI51>/INTP4 78K0/IA2, 78K0/IB2 (32 pins): <TOH1>/P00/TI000/<TI51>/INTP0, <TOH1>/P34/TOX11/<TI51>/INTP4 78K0/IB2 (30 pins): TOH1/P30/TI51/INTP1