MC68HC11PH8 Datasheet, PDF (231/264 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

V_DD
EXTAL
E
t_PORDELAY ⁽¹⁾
RESET
MODA,
MODB
t_PCSU
PW_RSTL
t_MPS
t_MPH
Address
New
FFFE FFFE FFFE FFFE FFFF _PC
New
FFFE FFFE FFFE FFFE FFFE FFFF _PC
(1) t_PORDELAY = 4064 t_CYC (or 128 t_CYC depending on mask option - MC68HC11PH8 only)
Figure A-3 Reset timing
E clock
IRQ⁽¹⁾
IRQ⁽²⁾, XIRQ
or internal
interrupt
Address⁽³⁾
Data⁽⁴⁾
t_PCSU
PW_IRQ
New
OA OA+1 SP SPÐ1 SPÐ2 SPÐ3 SPÐ4 SPÐ5 SPÐ6 SPÐ7 SPÐ8 SPÐ8 VA VA+1 _PC
OP Ð Ð PCL PCH IYL IYH IXL IXH B A CCR Ð Ð VH VL OP
R/W
Notes:
(1) Edge sensitive IRQ pin (IRQE = 1).
(2) Level sensitive IRQ pin (IRQE = 0).
(3) Where OA = Opcode address and VA = Vector address.
(4) Where OP = Opcode, VH = Vector (MSB) and VL = Vector (LSB).
Figure A-4 Interrupt timing
12
MC68HC11PH8
ELECTRICAL SPECIFICATIONS (STANDARD)
TPG
MOTOROLA
A-7