z8pe003 ZiLOG Semiconductor, z8pe003 Datasheet - Page 16

• Manufacturer Part Number: z8pe003
• Description: Feature-enhanced Z8plus 1k Rom One-time Programmable Otp Microcontroller
• Manufacturer: ZiLOG Semiconductor

RESET (Continued)
Z8PE002
Z8Plus OTP Microcontroller
16
Register (HEX)
D4
D3
D2
D1
D0
CF
CE
CD
CC
CB
CA
C9
C8
C7
C6
C5
C4
C3
C2
C1
C0
Note:
D1
0
0
1
1
*The SMR and WDT flags are set to indicate the source of the RESET.
Table 9. Flag Register Bit D1, D0
D0
0
1
0
1
Register Name
Port B Input
Port A Special
Function
Port A
Directional
Control
Port A Output
Port A Input
Reserved
Reserved
T1VAL
T0VAL
T3VAL
T2VAL
T3AR
T2AR
T1ARHI
T0ARHI
T1ARLO
T0ARLO
WDTHI
WDTLO
TCTLHI
TCTLLO
Reset Source
V
SMR Recovery
WDT Reset
Reserved
BO
/POR
Table 8. Control and Peripheral Registers* (Continued)
U
U
U
U
U
U
U
U
U
U
U
U
U
7
0
0
1
1
1
0
U
U
U
U
U
U
U
U
U
U
U
U
U
6
0
0
1
1
1
0
P R E L I M I N A R Y
U
U
U
U
U
U
U
U
U
U
U
U
U
5
0
0
1
1
1
0
U
U
U
U
U
U
U
U
U
U
U
U
U
4
0
0
1
1
1
0
Bits
U
U
U
U
U
U
U
U
U
U
U
U
U
3
0
0
1
1
1
0
U
U
U
U
U
U
U
U
U
U
U
U
U
2
0
0
1
1
0
0
U
U
U
U
U
U
U
U
U
U
U
U
U
1
0
0
1
1
0
0
U Current sample of the input pin
U Output register not affected by RESET
U Current sample of the input pin
U
U
U
U
U
U
U
U
U
U
0
0 Deactivates all port special functions
0 Defines all bits as inputs in PortA after
1
1
0 WDT enabled in HALT mode, WDT
0 All standard timers are disabled.
Comments
following RESET.
after RESET.
RESET.
following RESET.
time-out at maximum value, STOP
mode disabled.
DS008700-Z8X0799
ZiLOG