Renesas H8S/2318 series, Hardware Manual

Page: 49 / 1121

Rev. 5.00, 12/03, page 19 of 1088
Pin No.
Type Symbol
TFP-100B,
TFP-100G FP-100A
I/O Name and Function
Operating mode
control MD2 to
MD0 61, 58,
57 63, 60,
59 Input
•
Mask ROM and ROMless
versions, H8S/2319 F-ZTAT, and
H8S/2319C F-ZTAT
MD2 MD1 MD0
Operating
Mode
0 0 1 Mode 1
*
1
1 0 Mode 2
*
2
1 Mode 2
*
2
1 0 0 Mode 4
*
3
1 Mode 5
*
3
1 0 Mode 6
1 Mode 7
System control
RES
62 64 Input Reset input: When this pin is driven
low, the chip is reset.
STBY
64 66 Input Standby: When this pin is driven low,
a transition is made to hardware
standby mode.
BREQ
76 78 Input Bus request: Used by an external
bus master to issue a bus request to
the H8S/2318 Group.
BREQO
74 76 Output Bus request output: External bus
request signal used when an internal
bus master accesses external space
in the external-bus-released state.
BACK
75 77 Output Bus request acknowledge: Indicates
that the bus has been released to an
external bus master.
FWE
*
4
60 62 Input Flash write enable: Enables or
disables writing to flash memory.
EMLE
*
5
60 62 Input Emulator enable: For connection to
ground (0 V).