ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 174

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

Table 85. Real-Time Clock 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_MON
[3:0]
MON
Binary Operation (BCD_EN = 0)
Bit Position
[7:0]
MON
Real-Time Clock Month Register
This register contains the current month count. The RTC_MON register begins counting at
01h
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–0Ch The current month count.
Value Description
0–1
0–9
. The value in the RTC_MON register is unchanged by a RESET. The current setting
R/W*
The tens digit of the current month count.
The ones digit of the current month count.
X
7
Description
R/W*
X
6
R/W*
X
5
(RTC_MON = 00E5h)
R/W*
X
4
R/W*
X
3
R/W*
Table
X
2
85.
R/W*
X
1
Product Specification
R/W*
X
0
eZ80F91 ASSP
Real-Time Clock
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