Chapter 9 8-Bit Timers H0 And H1; Functions Of 8-Bit Timers H0 And H1; Configuration Of 8-Bit Timers H0 And H1 - NEC 78K0 User Manual

9.1

Functions of 8-Bit Timers H0 and H1

8-bit timers H0 and H1 have the following functions.
• Interval timer
• PWM output mode
• Square-wave output
• Carrier generator mode (8-bit timer H1 only)
9.2

Configuration of 8-Bit Timers H0 and H1

8-bit timers H0 and H1 consist of the following hardware.
Item
Timer register
Registers
Timer output
Control registers
Note 8-bit timer H1 only
Remark n = 0, 1
Figures 9-1 and 9-2 show the block diagrams.
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CHAPTER 9 8-BIT TIMERS H0 AND H1

Table 9-1. Configuration of 8-Bit Timers H0 and H1
8-bit timer counter Hn
8-bit timer H compare register 0n (CMP0n)
8-bit timer H compare register 1n (CMP1n)
TOHn
8-bit timer H mode register n (TMHMDn)
8-bit timer H carrier control register 1 (TMCYC1)
Port mode register 1 (PM1)
Port register 1 (P1)
User's Manual U15947EJ2V0UD
Configuration
*
Note