Zilog Z86E07 - Manual (Page 41)

5-4
C50 ICEBOX
U SER ' S M ANUAL
PRECAUTION LIST (Continued)
Z86C30/31 and Z86E30/31
1. The Z86C30/31/40/50/89/90 and Z86E30/31/40 have the P32 comparator output
coming out of P37.
2. Reg (F) %00 PCON has D2 controlling the open-drain for Port 0 and D1 controlling the
open-drain for Port 1. This is for the following:
Z86C30/31/40/50/89/90
Z86E30/31/40
3. For Z86C03/04/06/07/08/09/16/19/30/31 and Z86E03/04/07/08/30/31, the register %F8
(P01M register) bits D4 and D3 must be set to state 0 and bit D2 must be set to
state 1.
4. WDT Register (F) %0F can only be written in the first 64 internal system clocks from the
start of program execution.
5. For Z86C30/31, the "No Auto Latch" feature is not implemented.
Z86C40/50/89/90 and Z86E40
1. WDT Register (F) %0F can only be written in the first 64 internal system clocks from the
start of program execution.
2. The Z86C30/31/40/50/89/90 and Z86E30/31/40 have the P32 comparator output
coming out of P37.
3. Reg (F) %00 PCON has D2 controlling the open-drain for Port 0 and D1 controlling the
open-drain for Port 1. This is for the following:
Z86C30/31/40/50/89/90
Z86E30/31/40
4. For Z86C40, the "No Auto Latch" feature is not implemented.
UM009701-0201