mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 576

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mc9s12hz256v2

Manufacturer Part Number
mc9s12hz256v2
Description
Hcs12 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
Chapter 21 Multiplexed External Bus Interface (MEBIV3)
576
CPU pipe info
IRQ interrupt
XIRQ interrupt
BDM tag info
Addr[19:0]
Data[15:0]
(Control)
Control signal(s)
Data signal (unidirectional)
Data signal (bidirectional)
Data bus (unidirectional)
Data bus (bidirectional)
REGS
mode
Figure 21-1. MEBI Block Diagram
MC9S12HZ256 Data Sheet, Rev. 2.05
ECLK CTL
PIPE CTL
TAG CTL
IRQ CTL
BUS
EXT
CTL
I/F
ADDR
ADDR
DATA
ADDR
DATA
BKGD
PK[7:0]/ECS/XCS/X[19:14]
PA[7:0]/A[15:8]/
D[15:8]/D[7:0]
PB[7:0]/A[7:0]/
D[7:0]
PE[7:2]/NOACC/
IPIPE1/MODB/CLKTO
IPIPE0/MODA/
ECLK/
LSTRB/TAGLO
R/W
PE1/IRQ
PE0/XIRQ
BKGD/MODC/TAGHI
Freescale Semiconductor

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