ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 173

• Manufacturer Part Number: ez80f91
• Description: Ez80 Acclaimplus!? Connectivity Assp Ez80f91 Assp
• Manufacturer: ZiLOG Semiconductor

Table 84. Real-Time Clock Day-of-the-Month Register
PS027001-0707
Bit
Reset
CPU Access
Note: X = Unchanged by RESET; R/W* = Read Only if RTC locked, Read/Write if RTC unlocked.
Binary-Coded Decimal Operation (BCD_EN = 1)
Bit Position
[7:4]
TENS_DOM
[3:0]
DOM
Binary Operation (BCD_EN = 0)
Bit Position
[7:0]
DOM
Real-Time Clock Day-of-the-Month Register
This register contains the current day-of-the-month count. The RTC_DOM register begins
counting at
current setting of BCD_EN determines whether the values in this register are binary
(BCD_EN = 0) or binary-coded decimal (BCD_EN = 1). Access to this register is Read
Only if the RTC is locked, and Read/Write if the RTC is unlocked. See
Value
01h–1Fh The current day-of-the-month count.
Value Description
0–3
0–9
R/W*
The tens digit of the current day-of-the-month count.
The ones digit of the current day-of-the-month count.
X
7
01h
Description
. The value in the RTC_DOM register is unchanged by a RESET. The
R/W*
X
6
R/W*
X
5
R/W*
X
4
R/W*
X
3
(RTC_DOM = 00E4h)
R/W*
X
2
R/W*
X
1
Product Specification
R/W*
X
0
Table
eZ80F91 ASSP
Real-Time Clock
84.
165