SYSTEM INTEGRATION MODULE
M68HC16 Z SERIES
5-30
USER’S MANUAL
Figure 5-10 MCU Basic System
DTACK
R/W
CS
RS[4:1]
D[7:0]
IRQ
IACK
DSACK0
DSACK1
IRQ7
CSBOOT
1
CS0
1
CS1
1
CS2
1
CS3
CS4
R/W
ADDR[17:0]
DATA[15:0]
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
ADDR[3:0]
DATA[15:8]
CE
OE
A[16:0]
DQ[15:0]
ADDR[17:1]
DATA[15:0]
V
DD
E
G
A[14:0]
DQ[7:0]
W
ADDR[15:1]
DATA[15:8]
V
DD
V
DD
E
G
A[14:0]
DQ[7:0]
W
ADDR[15:1]
DATA[7:0]
V
DD
MC68HC681
MCM6206D
M68HC16 Z-SERIES MCU
WE
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
(ASYNC BUS PERIPHERAL)
(FLASH 64K X 16)
(SRAM 32K X 8)
MCM6206D
(SRAM 32K X 8)
HC16 SIM/SCIM BUS
NOTES:
1. ALL CHIP-SELECT LINES IN THIS EXAMPLE MUST BE CONFIGURED AS 16-BIT.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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