ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 37

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

PS006613-0306
Address
(hex)
Programmable Reload Counter/Timers (continued)
88
89
8A
8B
8C
8D
8E
8F
90
91
92
Watch-Dog Timer
93
94
95
General-Purpose Input/Output Ports
96
97
Notes:
1. After an external pin reset, the Watch-Dog Timer Control register resets to 00h. After a Watch-Dog Timer time-
2. When the CPU reads this register, the pin value of the port is read.
out reset, the Watch-Dog Timer Control register resets to 20h.
Mnemonic
TMR2_DR_H
TMR2_RR_H
TMR3_CTL
TMR3_DR_L
TMR3_RR_L
TMR3_DR_H
TMR3_RR_H
TMR4_CTL
TMR4_DR_L
TMR4_RR_L
TMR4_DR_H
TMR4_RR_H
TMR5_CTL
TMR5_DR_L
TMR5_RR_L
TMR5_DR_H
TMR5_RR_H
Not Accessible
WDT_CTL
WDT_RR
Not Accessible
PA_DR
PA_DDR
Name
Timer 2 Data Register—High Byte
Timer 2 Reload Register—High Byte
Timer 3 Control Register
Timer 3 Data Register—Low Byte
Timer 3 Reload Register—Low Byte
Timer 3 Data Register—High Byte
Timer 3 Reload Register—High Byte
Timer 4 Control Register
Timer 4 Data Register—Low Byte
Timer 4 Reload Register—Low Byte
Timer 4 Data Register—High Byte
Timer 4 Reload Register—High Byte
Timer 5 Control Register
Timer 5 Data Register—Low Byte
Timer 5 Reload Register—Low Byte
Timer 5 Data Register—High Byte
Timer 5 Reload Register—High Byte
Watch-Dog Timer Control Register
Watch-Dog Timer Reset Register
Port A Data Register
Port A Data Direction Register
Table 2. Register Map (Continued)
PRELIMINARY
eZ80190 Product Specification
00/20
Reset
(hex)
XX
XX
FF
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
1
Access
R/W
CPU
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
2
Register Map
Page
36
38
35
36
37
36
38
35
36
37
36
38
35
36
37
36
38
40
42
47
48
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