8-Bit Timer/Event Counters 1 And 2 Configurations; Bit Timer/Event Counters 1 And 2 Block Diagram - NEC PD78076 User Manual

9.2 8-Bit Timer/Event Counters 1 and 2 Configurations

The 8-bit timer/event counters 1 and 2 consist of the following hardware.
Table 9-5. 8-Bit Timer/Event Counters 1 and 2 Configurations
Timer register
Register
Timer output
Control register
Note Refer to Figure 6-9 Block Diagram of P30 to P37.
Figure 9-1. 8-Bit Timer/Event Counters 1 and 2 Block Diagram
9
f /2 to f /2
XX XX
11
f /2
XX
TI1/P33
4
9
f /2 to f /2
XX XX
11
f /2
XX
TI2/P34
4
TCL TCL TCL TCL TCL TCL TCL
17 16 15 14 13 12 11
Timer Clock
Select Register 1
Note Refer to Figures 9-2 and 9-3 for details of 8-bit timer/event counter output control circuits 1 and 2,
respectively.
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CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 1 AND 2
Item
8 bits x 2 (TM1, TM2)
Compare register: 8 bits x 2 (CR10, CR20)
2 (TO1, TO2)
Timer clock select register 1 (TCL1)
8-bit timer mode control register 1 (TMC1)
8-bit timer output control register (TOC1)
Port mode register 3 (PM3)
Internal Bus
8-Bit Compare
Register (CR10)
Match
8-Bit Timer
Register 1 (TM1)
Clear
Selector
TCL
TMC12 TCE2 TCE1
10
8-Bit Timer
Mode Control
Register
Internal Bus
Configuration
Note
8-Bit Compare
Register (CR20)
Match
8-Bit Timer
Register 2 (TM2)
Clear
Note
8-Bit Timer/
Event Counter
Output Control
Circuit
4
LVS2 LVR2 TOC
15
8-Bit Timer
Output Control
Register
INTTM1
Note
8-Bit
Timer/Event
TO2/P32
Counter
Output
Control
INTTM2
TO1/P31
TOE2 LVS1 LVR1 TOC
TOE1
11