Z8673312PSG Datasheet, PDF (79/84 Pages) Zilog, Inc. – CMOS Z8 OTP Microcontrollers

CMOS Z8^® OTP Microcontrollers
Product Specification
75
R251 IMR
D7 D6 D5 D4 D3 D2 D1 D0
1 Enables IRQ5 -IRQ0
(D0 = IRQ0)
1 Enables RAM Protect*
1 Enables Interrupts
* This option must be selected when ROM code is
submitted for ROM Masking, otherwise this control bit
is disabled permanently
Figure 51. Interrupt Mask Register (FB_h: Read/Write)
R252 Flags
D7 D6 D5 D4 D3 D2 D1 D0
User Flag F1
User Flag F2
Halt Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Flag
Zero Flag
Carry Flag
Figure 52. Flag Register (FC_h: Read/Write)
PS022901-0508
Electrical Characteristics