Renesas Hitachi H8S/2194 Series Hardware Manual page 36

Type Symbol
5(6
System
control
FWE
,54
Interrupts
,54
,54
,54
,54
,54
10,
,&
Prescaler
unit
TMOW
Timers TMBI
,54
,54
TMO
BUZZ
Pin No. I/O
66 Input
62 Input
54 Input
55 Input
56
57
58
59
63 Input
60 Input
61 Output
26 Input
55 Input
56
44 Output
42 Output
Name and Function
Reset input:
When this pin is driven low, the chip is reset
Flash memory enable:
Enables/disables flash memory programming.
This pin is available only with MCU with flash
memory on-chip. For mask ROM type, do not
connect anything to this pin
External interrupt request 0:
External interrupt input pin for which rising edge
sense, falling edge sense or both edges sense
are selectable
External interrupt requests 1 to 5:
External interrupt input pins for which rising or
falling edge sense are selectable
Nonmaskable interrupt:
Nonmaskable interrupt input pin for which rising
edge sense, falling edge sense or both edges
sense are selectable
Input capture input:
Input capture input pin for prescaler unit
Frequency division clock output:
Output pin for clock of which frequency is
divided by prescaler
Timer B event input:
Input pin for events to be input to Timer B
counter
Timer J event input:
Input pin for events to be input to Timer J RDT-
1or RDT-2 counter
Timer J timer output:
Output pin for toggle at underflow of RDT-1 of
Timer J, or remote controlled transmit data
Timer J buzzer output:
Output pin for toggle which is selectable among
fixed frequency, 1Hz frequency divided from
subclock (32 kHz), and frequency division CTL
signal
Rev. 2.0, 11/00, page 9 of 1037