HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 539

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

Table 17.2 Port A Data Register (PADR) Read/Write Operations
17.3
Port B is an input/output port with the 12 pins shown in figure 17.2.
PAIOR
0
1
Port B
Port B
Pin Function
General input
Other than general
input
General output
Other than general
output
with ROM disabled
A21 (output)
A20 (output)
A19 (output)
A18 (output)
A17 (output)
A16 (output)
PB5 (input/output)/TCLKB (input)
PB4 (input/output)/TCLKA (input)
PB3 (input/output)/TO9 (output)
PB2 (input/output)/TO8 (output)
PB1 (input/output)/TO7 (output)
PB0 (input/output)/TO6 (output)
Expanded mode
Read
Pin state
Pin state
PADR value
PADR value
Figure 17.2 Port B
PB10 (input/output)/A20 (output)
PB9 (input/output)/A19 (output)
PB8 (input/output)/A18 (output)
PB7 (input/output)/A17 (output)
PB6 (input/output)/A16 (output)
PB11 (input/output)/
A21 (output)/POD (input)
with ROM enabled
Expanded mode
Write
Value is written to PADR, but does not affect
pin state
Value is written to PADR, but does not affect
pin state
Write value is output from pin (POD pin = high)
High impedance regardless of PADR value
(POD pin = low)
Value is written to PADR, but does not affect
pin state
Rev. 5.00 Jan 06, 2006 page 519 of 818
Section 17 I/O Ports (I/O)
PB10 (input/output)
PB9 (input/output)
PB8 (input/output)
PB7 (input/output)
PB6 (input/output)
PB11 (input/output)/
POD (input)
Single-chip mode
REJ09B0273-0500