EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 58

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

Table 3. Register Map (Continued)
PS019209-0504
Address
(hex)
Ethernet Media Access Controller, continued
0056
0057
0058
0059
PLL
005C
005D
005E
005F
Timers and PWM
0060
0061
0062
0063
0064
0065
0066
0067
0068
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
EMAC_BLKSLFT_H EMAC Receive Blocks Left Register—
EMAC_FDATA_L
EMAC_FDATA_H
EMAC_FFLAGS
PLL_DIV_L
PLL_DIV_H
PLL_CTL0
PLL_CTL1
TMR0_CTL
TMR0_IER
TMR0_IIR
TMR0_DR_L
TMR0_RR_L
TMR0_DR_H
TMR0_RR_H
TMR1_CTL
TMR1_IER
TMR1_IIR
TMR1_DR_L
TMR1_RR_L
Name
High Byte
EMAC FIFO Data—Low Byte
EMAC FIFO Data—High Byte
EMAC FIFO Flags Register
PLL Divider Register—Low Byte
PLL Divider Register—High Byte
PLL Control Register 0
PLL Control Register 1
Timer 0 Control Register
Timer 0 Interrupt Enable Register
Timer 0 Interrupt Identification Register
Timer 0 Data Register—Low Byte
Timer 0 Reload Register—Low Byte
Timer 0 Data Register—High Byte
Timer 0 Reload Register—High Byte
Timer 1 Control Register
Timer 1 Interrupt Enable Register
Timer 1 Interrupt Identification Register
Timer 1 Data Register—Low Byte
Timer 1 Reload Register—Low Byte
P R E L I M I N A R Y
Reset
(hex)
XX
XX
XX
XX
XX
XX
XX
0X
00
33
00
00
00
00
00
00
00
00
00
00
Product Specification
Access
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
W
W
W
W
R
R
R
Register Map
Page
283
284
284
285
324
324
325
326
138
139
141
142
143
143
144
138
139
141
142
143
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