HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 182
HD64F3437TFI16V
Manufacturer Part Number
HD64F3437TFI16V
Description
MCU FLASH 60K 100-TQFP
Manufacturer
Renesas Electronics America
Datasheet
1.HD64F3437TFI16V.pdf
(755 pages)
Specifications of HD64F3437TFI16V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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7.12
7.12.1
Port B is an 8-bit input/output port that is multiplexed with the host interface data bus. The pin
functions differ depending on the operating mode. Figure 7.19 shows the pin configuration of port
B.
Port B has program-controllable built-in MOS input pull-up transistors.
Pins in port B can drive one TTL load and a 90-pF capacitive load. They can also drive a
darlington transistor.
150
Port B
Overview
Port B
Port B pins
PB
PB
PB
PB
PB
PB
PB
PB
Figure 7.19 Port B Pin Configuration
7
6
5
4
3
2
1
0
/XDB
/XDB
/XDB
/XDB
/XDB
/XDB
/XDB
/XDB
7
6
5
4
3
2
1
0
Pin configuration in mode 1
(expanded mode with on-chip ROM
disabled) and mode 2 (expanded
mode with on-chip ROM enabled)
Master mode
PB
PB
PB
PB
PB
PB
PB
PB
Pin configuration in mode 3
(single-chip mode)
PB
PB
PB
PB
PB
PB
PB
PB
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
Slave mode
XDB
XDB
XDB
XDB
XDB
XDB
XDB
XDB
7
6
5
4
3
2
1
0
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
(input/output)
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