Renesas Hitachi H8S/2191, Hardware Manual

Page: 36 / 1065

Rev. 2.0, 11/00, page 9 of 1037
Type Symbol Pin No. I/O Name and Function
5(6
66 Input Reset input:
When this pin is driven low, the chip is reset System
control
FWE 62 Input 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
,54
54 Input External interrupt request 0:
External interrupt input pin for which rising edge
sense, falling edge sense or both edges sense
are selectable
,54
,54
,54
,54
,54
55
56
57
58
59 Input External interrupt requests 1 to 5:
External interrupt input pins for which rising or
falling edge sense are selectable
Interrupts
10,
63 Input Nonmaskable interrupt:
Nonmaskable interrupt input pin for which rising
edge sense, falling edge sense or both edges
sense are selectable
,&
60 Input Input capture input:
Input capture input pin for prescaler unit Prescaler
unit
TMOW 61 Output Frequency division clock output:
Output pin for clock of which frequency is
divided by prescaler
TMBI 26 Input Timer B event input:
Input pin for events to be input to Timer B
counter
,54
,54
55
56 Input Timer J event input:
Input pin for events to be input to Timer J RDT-
1or RDT-2 counter
TMO 44 Output Timer J timer output:
Output pin for toggle at underflow of RDT-1 of
Timer J, or remote controlled transmit data
Timers
BUZZ 42 Output 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