h8s-2111b Renesas Electronics Corporation., h8s-2111b Datasheet - Page 43

• Manufacturer Part Number: h8s-2111b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

1.3.3
Table 1.2
Type
Power
Clock
Operating
mode control
System
control
Interrupt
signals
Pin Functions
Pin Functions
Symbol
VCC
VCL
VCCB
VSS
XTAL
EXTAL
φ
EXCL
X1
X2
MD1
MD0
RES
RESO
STBY
NMI
IRQ0 to
IRQ7
Pin No.
TFP-144
1, 86
13
36
7, 42, 95,
111, 139
143
144
18
18
140
141
9
10
8
142
12
11
22 to 24,
133 to 135,
84, 85
Input
Input
Input
Input
Input
I/O
Input
Input
Input
Input
Input
Output
Input
Input
Output
Input
Input
Name and Function
Power supply pin. Connect the pin to the
system power supply.
Power supply pin. Connect the pin to VCC.
The power supply for the port A input/output
buffer.
Ground pin. Connect to the system power
supply (0 V).
Pins for connection to crystal resonators. The
EXTAL pin can also input an external clock.
See section 19, Clock Pulse Generator, for
typical connection diagrams.
Supplies the system clock to external
devices.
Input a 32.768 kHz external subclock.
Leave open.
Leave open.
These pins set the operating mode. These
pins should not be changed while the MCU is
operating.
Reset pin.
When this pin becomes low, the chip is reset.
Outputs reset signal to external device.
When this pin is driven low, a transition is
made to hardware standby mode.
Input pin for a nonmaskable interrupt request.
These pins request a maskable interrupt.
Rev. 1.00, 05/04, page 9 of 544