tspc860 ATMEL Corporation, tspc860 Datasheet - Page 21

• Manufacturer Part Number: tspc860
• Description: Integrated Communication Processor
• Manufacturer: ATMEL Corporation

Table 1. Signal Descriptions (Continued)
2129B–HIREL–12/04
L1CLKOB
L1CLKOA
SMRXD2
SMSYN1
SMSYN2
SMTXD2
SDACK1
SDACK2
BRGO3
L1RQB
L1RQA
PB[23]
PB[22]
PB[21]
PB[20]
PB[19]
L1ST1
PB[18]
L1ST2
PB[17]
L1ST3
PB[16]
L1ST4
PB[15]
Name
RTS1
RTS2
Reset
Hi-Z
Number
K17
K16
N19
N17
P18
N16
R17
L19
L16
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Open-drain)
Open-drain)
Open-drain)
Open-drain)
Open-drain)
Open-drain)
Open-drain)
Open-drain)
(Optional:
(Optional:
(Optional:
(Optional:
(Optional:
(Optional:
(Optional:
(Optional:
Type
Description
General-Purpose I/O Port B Bit 23—Bit 23 of the general-purpose
I/O port B.
SMSYN1—SMC1 external sync input.
SDACK1—SDMA acknowledge 1 output that is used as a peripheral
interface signal for IDMA emulation, or as a CAM interface signal for
Ethernet.
General-Purpose I/O Port B Bit 22—Bit 22 of the general-purpose
I/O port B.
SMSYN2—SMC2 external sync input.
SDACK2—SDMA acknowledge 2 output that is used as a peripheral
interface signal for IDMA emulation, or as a CAM interface signal for
Ethernet.
General-Purpose I/O Port B Bit 21—Bit 21 of the general-purpose
I/O port B.
SMTXD2—SMC2 transmit data output.
L1CLKOB—Clock output from the serial interface TDM port B.
General-Purpose I/O Port B Bit 20—Bit 20 of the general-purpose
I/O port B.
SMRXD2—SMC2 receive data input.
L1CLKOA—Clock output from the serial interface TDM port A.
General-Purpose I/O Port B Bit 19—Bit 19 of the general-purpose
I/O port B.
RTS1—Request to send modem line for SCC1.
L1ST1—One of four output strobes that can be generated by the
serial interface.
General-Purpose I/O Port B Bit 18—Bit 18 of the general-purpose
I/O port B.
RTS2—Request to send modem line for SCC2.
L1ST2—One of four output strobes that can be generated by the
serial interface.
General-Purpose I/O Port B Bit 17—Bit 17 of the general-purpose
I/O port B.
L1RQB—D-channel request signal for the serial interface TDM port
B.
L1ST3—One of four output strobes that can be generated by the
serial interface.
General-Purpose I/O Port B Bit 16—Bit 16 of the general-purpose
I/O port B.
L1RQA—D-channel request signal for the serial interface TDM port
A.
L1ST4—One of four output strobes that can be generated by the
serial interface.
General-Purpose I/O Port B Bit 15—Bit 15 of the general-purpose
I/O port B.
BRGO3—BRG3 output clock.
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