Z86D990 Datasheet, PDF (91/102 Pages) Zilog, Inc. – Low-Voltage Micro controllers with ADC

Z86D990/Z86D991 OTP and Z86L99X ROM
Low-Voltage Microcontrollers with ADC
84
consumption during normal processor execution (SCLK control) and/or HALT
mode (where TCLK sources counter/timers and interrupt logic).
Port 2 Stop Mode Recovery (P2SMR)
The P2SMR register, as described in Table 51, defines which I/O lines in Port 2
are to be used as stop mode recovery sources.
Table 51. P2SMR Register (Group/Bank 0Fh, Register 1)
Bit
7
6
5
Bit/Field P27RS P26RS P25RS
R/W
R/W R/W R/W
Reset
0
0
0
R = Read, W = Write, X = Indeterminate
Bit
Position Bit/Field
R/W
76543210 Port 2 Stop Mode R/W
(by bit)
Recovery
4
P24RS
R/W
0
Value
1
0
3
P23RS
R/W
0
2
P22RS
R/W
0
1
P21RS
R/W
0
Description
Recovery Source
Not
0
P20RS
R/W
0
Port 5 Stop-Mode Recovery (P5SMR)
The P5SMR register, as described in Table 52, defines which I/O lines in Port 5
are to be used as stop-mode recovery sources.
Table 52. P5SMR Register (Group/Bank 0Fh, Register 5)
Bit
7
6
5
Bit/Field P57RS P56RS P55RS
R/W
R/W R/W R/W
Reset
0
0
0
R = Read, W = Write, X = Indeterminate
Bit
Position Bit/Field
R/W
76543210 Port 5 Stop Mode R/W
(by bit)
Recovery
4
P54RS
R/W
0
Value
1
0
3
P53RS
R/W
0
2
P52RS
R/W
0
1
P51RS
R/W
0
Description
Recovery Source
Not
0
P50RS
R/W
0
PS003807-1002
PRELIMINARY