HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 173

• Manufacturer Part Number: HD64F3437TFI16V
• Description: MCU FLASH 60K 100-TQFP
• Manufacturer: Renesas Electronics America

Specifications of HD64F3437TFI16V

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.10
7.10.1
Port 9 is an 8-bit input/output port that is multiplexed with interrupt input pins (IRQ
input/output pins for bus control signals (RD, WR, AS, WAIT), an input pin (ADTRG) for the
A/D converter, an output pin (ø) for the system clock, host interface (HIF) input pins (ECS
EIOW), and the I
9. The functions of pins P9
P9
Pins in port 9 can drive one TTL load and a 90-pF capacitive load. They can also drive a
darlington transistor. Pin P9
Interface.
2
are unaffected by bit STAC.
Port 9
Port 9
Overview
2
C data input/output pin (SDA). Figure 7.17 shows the pin configuration of port
Port 9 pins
P9
P9
P9
P9
P9
P9
7
6
5
4
3
2
1
/WAIT/SDA
/ø
/AS
/WR
/RD
/IRQ
7
and P9
Figure 7.17 Port 9 Pin Configuration
can be driven as a bus buffer, as shown in section 13, I
0
0
are configured according to bit STAC in STCR. Pins P9
Pin configuration in mode 3 (single-chip mode)
P9
P9
P9
P9
P9
P9
7
6
5
4
3
2
Pin configuration in mode 1 (expanded mode
with on-chip ROM disabled) and mode 2
(expanded mode with on-chip ROM enabled)
P9
ø (output)
AS (output)
WR (output)
RD (output)
P9
(input/output)/SDA (input/output)
(input)/ø (output)
(input/output)
(input/output)
(input/output)
(input/output)/IRQ
7
2
(input/output)/IRQ
(input/output)/WAIT (input)/SDA (input/output)
0
(input)
0
(input)
0
2
C Bus
to IRQ
2
,
2
7
),
to
141