EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 62

• Manufacturer Part Number: EZ80F91MCU
• Description: eZ80Acclaim-TM Flash Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

Table 3. Register Map (Continued)
PS019209-0504
Address
(hex)
Timers and PWM, continued
0087
0088
0089
008A
008B
Watch-Dog Timer
0093
0094
General-Purpose Input/Output Ports
0096
0097
0098
0099
009A
Notes:
1. After an external pin reset, the Watch-Dog Timer Control register is reset to 00h. After a Watch-Dog Timer time-
2. When the CPU reads this register, the current sampled value of the port is read.
3. Read Only if RTC is locked; Read/Write if RTC is unlocked.
4. After an external pin reset or a Watch-Dog Timer reset, the RTC Control register is reset to x0xxxx00b. After a
5. Read Only if Flash Memory is locked. Read/Write if Flash Memory is unlocked.
out reset, the Watch-Dog Timer Control register is reset to 20h.
an RTC Alarm sleep-mode recovery reset, the RTC Control register is reset to x0xxxx10b.
Mnemonic
PWM1F_H
TMR3_OC2_H
PWM2F_L
TMR3_OC3_L
PWM2F_H
TMR3_OC3_H
PWM3F_L
PWM3F_H
WDT_CTL
WDT_RR
PA_DR
PA_DDR
PA_ALT1
PA_ALT2
PB_DR
Name
PWM 1 Falling-Edge Register—High
Byte
Timer 3 Output Compare 2 Value
Register—High Byte
PWM 2 Falling-Edge Register—Low
Byte
Timer 3 Output Compare 3 Value
Register—Low Byte
PWM 2 Falling-Edge Register—High
Byte
Timer 3 Output Compare 3 Value
Register—High Byte
PWM 3 Falling-Edge Register—Low
Byte
PWM 3 Falling-Edge Register—High
Byte
Watch-Dog Timer Control Register
Watch-Dog Timer Reset Register
Port A Data Register
Port A Data Direction Register
Port A Alternate Register 1
Port A Alternate Register 2
Port B Data Register
P R E L I M I N A R Y
00/20
Reset
(hex)
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
FF
00
00
Product Specification
1
Access
R/W
R/W
eZ80F91 MCU
CPU
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
2
2
Register Map
Page
165
150
164
149
165
150
164
165
124
126
63
63
63
64
63
#
43