tmpr4937 TOSHIBA Semiconductor CORPORATION, tmpr4937 Datasheet - Page 68

• Manufacturer Part Number: tmpr4937
• Description: 64-bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

3.3
Note 1: * shows that there is no relationship to the configuration of the corresponding function.
Note 2: One of ECC, PIO[15:8] can be selected (can't use simultaneously).
Note 3: It shows that these terminals are multiplexed under each function.
Note 4: Blank shows that the terminal isn't multiplexed with the function.
Pin multiplex
of the ADDR[18]/[9] boot configuration signal. Table 3.3.1 shows how to set the function for each pin.
(Operation is not guaranteed when these functions that cannot be used simultaneously are set up)
For example, when only ACLC are selected, functions other than DMAREQ[2], DMAACK[2],
PIO[4], PIO[3], PIO[2] can be used.
The TX4937 has some multiplexed pins. Each pin is used for different functions depending on the settings
Setting of Boot config. signal
(Note1) (Note2)
Function of Each signal
(Note3) (Note4)
Table 3.3.1 Pin multiplex
DMAREQ[3]
DMAACK[3]
DMAREQ[2]
DMAACK[2]
DMAREQ[1]
DMAACK[1]
DMAREQ[0]
DMAACK[0]
ADDR[18]
ADDR[9]
Signal
PIO[7]
PIO[6]
PIO[5]
PIO[4]
PIO[3]
PIO[2]
CB[7]
CB[6]
CB[5]
CB[4]
CB[3]
CB[2]
CB[1]
CB[0]
3-14
CB[7]
CB[6]
CB[5]
CB[4]
CB[3]
CB[2]
CB[1]
CB[0]
ECC
Function on pin-multiplex
H
*
PIO[15:8]
PIO[15]
PIO[14]
PIO[13]
PIO[12]
PIO[11]
PIO[10]
PIO[9]
PIO[8]
L
*
Chapter 3 Signals
ACRESET*
SDIN[0]
SDOUT
BITCLK
ACLC
SYNC
H
*