Z8F1601 Datasheet, PDF (87/246 Pages) Zilog, Inc. – Z8 Encore Microcontrollers with Flash Memory and 10-Bit A/D Converter

Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
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Timer 0-3 PWM High and Low Byte Registers
The Timer 0-3 PWM High and Low Byte (TxPWMH and TxPWML) registers (Tables 42
and 43) are used for Pulse-Width Modulator (PWM) operations. These registers also store
the Capture values for the Capture and Capture/Compare modes.
Table 42. Timer 0-3 PWM High Byte Register (TxPWMH)
BITS
7
6
5
4
3
2
1
0
FIELD
PWMH
RESET
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ADDR
F04H, F0CH, F14H, F1CH
Table 43. Timer 0-3 PWM Low Byte Register (TxPWML)
BITS
7
6
5
4
3
2
1
0
FIELD
PWML
RESET
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ADDR
F05H, F0DH, F15H, F1DH
PWMH and PWML—Pulse-Width Modulator High and Low Bytes
These two bytes, {PWMH[7:0], PWML[7:0]}, form a 16-bit value that is compared to the
current 16-bit timer count. When a match occurs, the PWM output changes state. The
PWM output value is set by the TPOL bit in the Timer Control Register (TxCTL) register.
The TxPWMH and TxPWML registers also store the 16-bit captured timer value when
operating in Capture or Capture/Compare modes.
PS017610-0404
Timers