Datasheet

Section 1 Overview
Rev. 6.00 Mar. 18, 2010 Page 57 of 982
REJ09B0054-0600
Table 1.8 Pin Functions of H8S/2237 Group and H8S/2227 Group
Pin No.
Type Symbol
TFP-100B
TFP-100BV
TFP-100G
TFP-100GV
FP-100B
*
1
FP-100BV
*
1
FP-100A
*
2
FP-100AV
*
2
I/O Function
Power supply VCC 12
62
15
65
Input For connection to the power supply. Connect all
VCC pins to the system power supply.
VSS 14
64
17
67
Input For connection to the power supply (0 V).
Connect all VSS pins to the system power supply
(0 V).
Clock XTAL 63 66 Input For connection to a crystal resonator. For
examples of crystal resonator connection and
external clock input, see section 23, Clock Pulse
Generator.
EXTAL 65 68 Input For connection to a crystal resonator. This pin
can be also used for external clock input. For
examples of crystal resonator connection and
external clock input, see section 23, Clock Pulse
Generator.
OSC1 58 61 Input Connects to a 32.768 kHz crystal resonator. See
section 23, Clock Pulse Generator, for typical
connection diagrams for a crystal resonator.
OSC2 57 60 Input Connects to a 32.768 kHz crystal resonator. See
section 23, Clock Pulse Generator, for typical
connection diagrams for a crystal resonator.
φ 68 71 Output Supplies the system clock to external devices.
Operating
mode
control
MD2
MD1
MD0
67
56
55
70
59
58
Input Sets the operating mode. Inputs at these pins
should not be changed during operation. Except
for mode changing, be sure to fix the levels of the
mode pins (MD2 to MD0) by pulling them down
or pulling them up until the power turns off.
System
control
RES
*
3
59 62 Input Reset input pin. When this pin is low, the chip
enters in the power-on reset state.
MRES 86 89 Input When this pin is low, the chip enters in the
manual reset state.
STBY
*
3
61 64 Input When this pin is low, a transition is made to
hardware standby mode.