EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 318

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

PS019209-0504
ZDI Master Control Register
The ZDI Master Control register provides control of the eZ80F91 device. It is
capable of forcing a RESET and waking up the eZ80F91 from the low-power
modes (HALT or SLEEP). See Table 190.
Table 190. ZDI Master Control Register
(ZDI_MASTER_CTL = 11h in ZDI Register Write Address Spaces)
Bit
Reset
CPU Access
Note: W = Write Only.
Bit
Position
7
ZDI_RESET
[6:0]
Value
0
1
0000000 Reserved.
W
P R E L I M I N A R Y
7
0
Description
No action.
Initiate a RESET of the eZ80F91. This bit is
automatically cleared at the end of the RESET event.
W
6
0
W
5
0
W
4
0
W
3
0
Product Specification
W
ZiLOG Debug Interface
2
0
eZ80F91 MCU
W
1
0
W
0
0
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