-19-
N2SL
CPU PORT FUNCTIONS
(continued page 5 of 5)
AD1
D7
5 V TTL
Memory data bus
AD2
N/C
N / A
Not Connected
AD3
D2
5 V TTL
Memory data bus
AD4
VDD_CORE0
Digital Supply
Digital 1V8 supply used for core logic
AD5
A2/CFG2
5 V TTL
Memory address bus, config pins for boot strap
AD6
A7/FCG7/RSTOUT
5 V TTL
Memory address bus, config pins for boot strap, reset output
AD7
A9/CFG9/PWM2
5 V TTL
Memory address bus, config pins for boot strap, PWM[2] output
AD8
VSS_CORE1
Digital Ground
Common digital core 1V8 ground
AD9
A15/CFG15
5 V TTL
Memory address bus, config pins for boot strap
AD10
VSS_I01
Digital Ground
Digital 3V3 ground used for I/Os
AD11
N/C
N / A
Not Connected
AD12
VSS_I021
Digital Ground
Digital 3V3 ground used for I/Os
AD13
N/C
N / A
Not Connected
AD14
VSS_CORE31
Digital Ground
Common digital core 1V8 ground
AD15
VSS_CORE41
Digital Supply
Digital 1V8 supply used for core logic
AD16
N/C
N / A
Not Connected
AD17
VSSC2
Digital Ground
Common digital core 1V8 ground
AD18
P0.3/I2SCLK
Port 0.3 or I2S clock
AD19
P1.6/SCL
Port 1.6 or I2C clock line
AD20
P2.2/PWM1
Port 2.2 or PWM1 output
AD21
P3.1/ADC1
Port 3.1 or ADC1 input
AD22
VSSC/P
Digital Ground
Common digital core 1V8 ground for u-controller and periphery
AD23
VSSC3
Digital Ground
Common digital core 1V8 ground
AD24
N/C
N / A
Not Connected
AD25
N/C
N / A
Not Connected
AD26
N/C
N / A
Not Connected
AE1
D5
5 V TTL
Memory data bus
AE2
D3
5 V TTL
Memory data bus
AE3
D0
5 V TTL
Memory data bus
AE4
A1/CFG1
5 V TTL
Memory address bus, config pins for boot strap
AE5
A4/CFG4
5 V TTL
Memory address bus, config pins for boot strap
AE6
WR_N/GPIO8
5 V TTL
Memory write enable, general purpose I/O
AE7
A11/CFG11
5 V TTL
Memory address bus, config pins for boot strap
AE8
A10/CFG10
5 V TTL
Memory address bus, config pins for boot strap
AE9
A16/GPIO10
5 V TTL
Memory adress bus, general purpose I/O
AE10
VDD_IO2
Digital Supply
Digital 3V3 supply used for I/Os
AE11
N/C
N / A
Not Connected
AE12
VSS_CORE2
Digital Ground
Common digital core 1V8 ground
AE13
VDD_IO11
Digital Supply
Digital 3V3 supply used for I/Os
AE14
T_ENABLE
LVTTL, pull down
Test control enable
AE15
VDD_CORE31
Digital Supply
Digital 1V8 supply used for core logic
AE16
N/C
N / A
Not Connected
AE17
VDD_CORE2
Digital Supply
Digital 1V8 supply used for core logic
AE18
P0.4/I2SWS
Port 0.4 or I2S Word Select
AE19
P1.3/T1
Port 1.3 or Counter/Timer1 input
AE20
P2.1/PWM0
Port 2.1 or PWM0 output
AE21
P3.0/ADC0
Port 3.0 or ADC0 input
AE22
P3.3/ADC3
Port 3.3 or ADC3 input
AE23
P2.5/PWM4
Port 2.2 or PWM4 output
AE24
P1.4/RX
Port 1.4 or UART bus
AE25
P1.5/TX
Port 1.5 or UART bus
AE26
N/C
N / A
Not Connected
AF1
N/C
N / A
Not Connected
AF2
D1
5 V TTL
Memory data bus
AF3
VSS_CORE0
Digital Ground
Common digital core 1V8 ground
AF4
A3/CFG3
5 V TTL
Memory address bus, config pins for boot strap
AF5
A6/CFG6
5 V TTL
Memory address bus, config pins for boot strap
AF6
A8/CFG8/CLKOUT
5 V TTL
Memory address bus, config pins for boot strap, crystal clock output
AF7
A12/CFG12
5 V TTL
Memory address bus, config pins for boot strap
AF8
A13/CFG13
5 V TTL
Memory address bus, config pins for boot strap
AF9
INT_N/GPIO7
5 V TTL
Open drain interrupt request output, general purpose I/O
AF10
N/C
N / A
Not Connected
AF11
VSS_IO01
Digital Ground
Digital 3V3 ground used for I/Os
AF12
VSS_IO2
Digital Ground
Digital 3V3 ground used for I/Os
AF13
VDD_IO21
Digital Supply
Digital 3V3 supply used for I/Os
AF14
VSS_CORE71
Digital Ground
Common digital core 1V8 ground
AF15
VDD_CORE21
Digital Supply
Digital 1V8 supply used for core logic
AF16
N/C
N / A
Not Connected
AF17
N/C
N / A
Not Connected
AF18
P0.1/I2SDO1
Port 0.1 or I2S digital output 1
AF19
P0.0/I2SDI1/O
Port 0.0 or I2S digital input 1 or I2S digital output
AF20
P2.0/TPWM
Port 2.0 or Tuning PWM output
AF21
P2.3/PWM2
Port 2.3 or PWM2 output
AF22
P3.2/ADC2
Port 3.2 or ADC2 input
AF23
P2.4/PWM3
Port 2.4 or PWM3 output
AF24
P1.2/INT2
Port 1.2 or external interrupt 2
AF25
N/C
N / A
Not Connected
AF26
N/C
N / A
Not Connected
ROW AF
ROW AD
ROW AE
